What is c language?| C language programs | C programming.
C language is considered to be the most
powerful programming language in today's time. As you know that many years ago
people didn't know about C language, but as technology developed, people
started showing their interest in programming languages.
Today this article will be told about C
language, what is C language, who has developed C language etc. Which language
has been made from C language?
C language is considered as a simple
programming but it is not like that at all, from C language you do not know
that C language has created all the software and programming languages.
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If you take the subject of C language after
10th class, then you can get a chance to learn and understand C language. C
language will be taught in professional courses like BCA, BBA etc.
Introduction
of C language.
The C
language is a highly portable and common-motive programming language developed
by Dennis Ritchie at Bell Labs in 1972.
C language programs : write in turbo c
output
Header file
The
Header file is a file which is the function of declaring the C function and
which Tell between the middle Various file and the header file are of two
types.
The first person who writes this system and the second who works with the
compiler supply file.
Header always declare with pre-processive directive '#'.
Main function
The main feature is a
start line of the programmer who controls the govt through directing the call
inside the program. This is likewise know as access factor of this system.
Main Function are usually with parentheses '()' and finishing with
';'
Difference of void main() and int main()
Input Function
The Input function asks the consumer to jot down some thing and the
person who desires to reveal it inside the application asks to write
which he sees on the display whilst output.
Input function Every inquire the user in the program.
Output function
Output is the characteristic that is written within the
application thru which the code written by the programmer can
display itself on the display.
Output function are always show before compilation.
Return function
In C language, work return Means the worth returned opposite a
carrying finishes its execution and ways out.
Return Function are continually with parentheses '()' and ending
with ';' .
Compiler (alt + f9)
The compiler is a converts the source file into the
object file.
Run(Ctrl + f9)
The processor can get this .exe record content with the goal
that it can play out the assignment determined in the source
document. We utilize an alternate route key Ctrl + F9 to run a
C program. At whatever point we press Ctrl + F9, the .exe
record is submitted to the central processor.
Identifier
All c program language period variable have to be
identifier with precise name this unique call is called
identifier
Rules of naming identifier
Constant
A Constant is a cost that can not be changed by means of the
program in the course of normal execution i.E. The value is a
Constant.
Types of Constant
Comment in C program
comment is a something like notes in the C language and
compiler cannot read the comment. Comments are enhancing the stability and readability of the
function under code.
There are two types of comment
1.Single line comment '/'
Ex.- /single line comment/
2. multi line comment '*/
/*'
Ex.- */multi
line
comment/*
Control structure in C
Sequence Structure
Simple Programming without using any control statement.
Selection Structure
If-else ; Switch case
If-else ; Switch case
Loop structure
For ; While ; Do-While
While and Do-while
List of easy 'C' Program
1.//hello my Crush tech
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();
printf("hello my
Crush tech");
getch();
}
-output-
hello my Crush
tech
2.//printf example
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();
printf("welcome to
you");
printf("hello my
Crush tech");
printf("i am c
beginner and student");
printf("please
Subcribe 'Crush tech'");
getch();
}
-output-
welcome to you
hello my Crush
tech
i am c beginner and
SC student
please Subcribe
'Crush tech'
3.//scanf example
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
float c;
clrscr();
printf("enter the
value of A=");
scanf("%d",&a);
printf("enter the
value of B=");
scanf("%d",&b);
printf("enter the
value of C=");
scanf("%f",&c);
printf("\n
\nA=%d\nB=%d\nC=%f");
getch();
}
-output-
enter the value
A=10
enter the value
B=20
enter the value of
C=30
A=10
B=20
C=30
-----------------------------------------------------------------------------------------------------------------------------
4.//print an integer
#include<stdio.h>
void main()
{
int a;
clrscr();
printf("enter a
integer number \n");
scanf("%d",&a);
printf("you have
entered number=%d\n",a);
return 0;
}
-output-
enter a integer
number 1010100
you have entered
number=1010100
-----------------------------------------------------------------------------------------------------------------------------
5.//simple addition by coding
#include<stdio.h>
#include<conio.h>
void main()
{
int a=18,b=4,c;
clrscr();
c=a+b;
printf("c=%d",c);
getch();
}
-output-
c=22
-----------------------------------------------------------------------------------------------------------------------------
6.//simple division example
#include<stdio.h>
#include<conio.h>
void main()
{
int a=10,b=5,c
clrscr();
c=a/b;
printf("c=%d",c);
getch();
}
-output-
c=2
-----------------------------------------------------------------------------------------------------------------------------
7.//global and local variable
#include<stdio.h>
#include<conio.h>
int x=14
/*Global variable*/
void main()
{
int x=23;
/*Local Variable*/
clrscr();
printf("\n
x=%d,y=%d",x,y);
getch();
return 0;
}
-output-
x=10,y=20
-----------------------------------------------------------------------------------------------------------------------------
8.//simple addition using scanf
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
printf("enter the
value of A=");
scanf("%d",&a);
printf("enter the
value of B=");
scanf("%d",&b);
c=a+b;
printf("the result
is=%d",c);
getch();
}
-output-
enter the value of
A=10
enter the value of
B=20
the result
of=30
-----------------------------------------------------------------------------------------------------------------------------
9.//simple subtraction using scanf
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
printf("enter the
value of A=");
scanf("%d",&a);
printf("enter the
value of B=");
scanf("%d",&b);
c=a-b;
printf("the result
is=%d",c);
getch();
}
-output-
enter the value of
A=20
enter the value of
B=10
the result
is=10
-----------------------------------------------------------------------------------------------------------------------------
10.//simple multiplication using scanf
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
printf("enter the
value of A=");
scanf("%d",&a);
printf("enter the
value of B=");
scanf("%d",&b);
c=a*b;
printf("the result
is=%d",c);
getch();
}
-output-
enter the value of
A=10
enter the value of
B=20
the result
is=200
-----------------------------------------------------------------------------------------------------------------------------
11.//find the square root
#include<stdio.h>
#include<conio.h>
void main()
{
int a;
clrscr();
scanf("%d",&a);
printf("square
root=%d",a);
getch();
}
-output-
25
square root=5
-----------------------------------------------------------------------------------------------------------------------------
12.//find the area of circle
#include<stdio.h>
#include<conio.h>
void main()
{
float a,r;
clrscr();
printf("enter the
radius=");
scanf("%f",&r);
a=PI*r*r;
printf("area of
circle=%2f",a);
getch();
}
-output-
enter the
radius=10
area of
circle=314.00
-----------------------------------------------------------------------------------------------------------------------------
13.//find the volume of cube
#include<stdio.h>
#include<conio.h>
void main()
{
int l,b,h,v;
clrscr();
printf("enter the
value of l=");
scanf("%d",&l);
printf("enter the
value of B=");
scanf("%d",&b);
printf("enter the
value of h");
scanf("%d",&h);
v=l*b*h;
printf(volume of
cube=%d",v);
getch();
}
-output-
enter the value
of l=10
enter the value
of b=20
enter the value
of h=30
volume of
cube=6,000
-----------------------------------------------------------------------------------------------------------------------------
14.//find the gross salary
#include<stdio.h>
#include<conio.h>
void main()
{
int gs,bs,ta,da;
/*gs=gross salary, da=dearess allowance,
ta=travelling allowance, bs=basic
salary*/
clrscr();
printf("enter the
value of bs=");
scanf("%d",&bs);
da=(10*bs)/100;
ta=(12*bs)/100;
gs=bs+da+ta;
printf("the total
salary is=%d",gs);
getch();
}
-output-
enter the value of
bs=100
the total salary
is=12,200
-----------------------------------------------------------------------------------------------------------------------------
15.//find the remaining days
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,r;
clrscr();
printf("enter total
days=");
scanf("%d",&a);
b=a/30;
printf("month=%d",b);
r=a%30;
printf("remaining
days=%d,r);
getch();
}
-output-
the total
days=65
month=2
days=5
-----------------------------------------------------------------------------------------------------------------------------
16.//simple interest of calculation
#include<stdio.h>
#include<conio.h>
void main()
{
float i,p,r,n;
clrscr();
printf("enter the
value of p=\n");
scanf("%f",&p);
printf("enter the
value of r=\n");
scanf("%f",&r);
printf("enter the
value of n=\n);
scanf("%f",&n);
i=(p*r*n)/100;
printf("interest=%f",i);
getch();
}
-output-
enter the value of
p=1200
enter the value of
r=1.2
enter the value of
n=3
interest=43.2
-----------------------------------------------------------------------------------------------------------------------------
17.//find difference between in rupees and paisa
#include<stdio.h>
#include<conio.h>
void main()
{
int rup,pai;
float a;
printf("enter the
total money=")
scanf("%f",&a);
rup=a;
printf("\n total
rupees=%d\n",rup);
p=(a-rup)*100;
printf("total
paisa=%d",pai);
getch();
}
-output-
enter the total
money=12.25
total rupees=12
total paisa=25
-----------------------------------------------------------------------------------------------------------------------------
18.//swapping two number using third value
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,temp;
printf("enter the
value of A=");
scanf("%d",&a);
printf("enter the
value of B=");
scanf("%d",&b);
temp=a;
a=b;
b=temp;
printf("the swapping
number is=%d",temp);
getch();
}
-output-
enter the value of
A=12
enter the value of
B=17
the swapping number
is=17
12
-----------------------------------------------------------------------------------------------------------------------------
19.//swapping number without using third digit
#include<stdio.h>
#include<conio.h>
void main()
{
int k,i;
printf("enter two
digit=");
scanf("%d
%d",k,i);
i=i-k;
k=i-k;
i-i-k;
printf("the result is
\n i=%d\n k=%d",i,k);
getch();
}
-output-
enter two digit
=45
49
the result
is=49
45
-----------------------------------------------------------------------------------------------------------------------------
20.//example of 'getchar'
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();char
a,b;
printf("\n enter one
character=");
scanf("%c",&a);
printf("input the
character is=%c",a);
prinrf("\n\n\n Enter
second character=");
getchar();
printf("value of
character(%c)is=%d",b,b);
getch()
}
-output-
enter one
character=r
second
character=n
value of
charactr(n)is=110
21.//example of putchar
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();char
a,b;
printf("\n enter one
character=");
a=getchar();
printf("Lowercase the
character is=%c",a);
putchar(a);
printf("\n\n\n Enter
uppercase character=");
putchar(a-32);
printf("value of
character(%c)is=%d",b,b);
getch()
}
-output-
enter one lowercase
character=n
lowercase charater
is=n
uppercase character
is=N
22.//getch character
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();char
a,b;
printf("\n enter one
character=");
a=getch();
printf("second the
character is=%c",a);
b=getch();
printf("\n\n\n Enter
first character=%c\nsecond character==%c",a,b);
getch()
}
-output-
enter first
character=D
second
character=S
enter first
character=D
second
character=S
23.//multiply given number using 4 operator
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();long int
number,tempnum;
printf("\n enter an
integer=");
Scanf("%ld",&number);
tempnum=number;
number=number<<2;
printf("%ld*4=%ld",tempnum,number);
getch();
}
-output-
enter an
integer=450
450*4=1800
24.//program without main() function
#include<stdio.h>
int begin()
{
clrscr();
printf("\n hello
Crush tech subcriber=");
}
-output-
hello Crush tech
subcriber
25.//temprature convert from degree centigraded to
celsius.
#include<stdio.h>
int main()
{
float
celsius,fahrenheit;
printf("enter temp in
celsius=");
scanf("%f",&celsius);
fahrenheit=(1.8*celsius)+32;
printf("temperature
in Fahrenheit=%f",Fahrenheit);
return 0;
}
-output-
enter temp in
celsius=32
temprature in
fahrenhiet=89.59998
-----------------------------------------------------------------------------------------------------------------------------
26.//convert total second into hour
#include<stdio.h>
void main()
{
int ts,h,m,s;
printf("enter total
sec=");
scanf("%d",ts);
h=ts/3600;
ts=h%3600;
m=ts/60;
s=ts%60;
printf("hour=%d
min=%d ,sec=%d",h,m,s);
}
-output-
enter total
sec=3690
hour=1
min=1,sec=30
27.//arithmetic operator
#include<stdio.h>
#Include<conio.h>
int main()
{
int a=2,b=3;
int
sum,sub,mul,rem,idiv;
float rdiv;
clrscr();
sum=a+b;
sub=a-b;
mul=a*b;
idiv=a/b;
rem=a%b;
rdiv=(float)a/(float)b;
printf("\n
sum=%d",sum);
printf("\n
sub=%d",sub);
printf("\n
mul=%d",mul);
printf("\n
idiv=%d",idiv);
printf("\n
rem=%d",rem);
printf("\n
rdiv=%f",rdiv);
getch();
return 0;
}
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