Program To Print Substring In C

#include<stdio.h>

#include<conio.h>

void substr(char x[20]);

main()

{

char a[20];

int l;

clrscr();

puts("ENter String=");

gets(a);

substr(a);

getch();

}

void substr(char x[20])

{

   int i,beg,n;

   printf("ENter Beg=");

   scanf("%d",&beg);

   printf("ENter How many Leteers=");

   scanf("%d",&n);

   for(i=beg;i<=n;i++)

   {

   printf("%c",x[i]);

   }

}

Find Length Of String Program IN C

#include<stdio.h>

#include<conio.h>

#include<string.h>

main()

{

clrscr();

char a[20];

int l;

printf("Enter String =");

scanf("%s",a);

l=strlen(a);

printf("length of String=%d",l);

getch();

}

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Program Of Array Of String In C

#include<stdio.h>

#include<conio.h>

          struct student         // Structure Delaration

{

int rollno;

char name[20];

int marks;

} ;

main()

{

int i;

clrscr();

student s1[3];       // Object(s1[]) Array  of  Structure  is Declare

for(i=0;i<3;i++)

{

printf("Enter rollno=");

scanf("%d",&s1[i].rollno);     // Access of  Structure

printf("Enter Name=");

scanf("%s",s1[i].name);

printf("Enter MArks=");

scanf("%d",&s1[i].marks);

}

printf("\n==============  REcord of Student================\n");

for(i=0;i<3;i++)

{

printf("\n Roll Number= %d",s1[i].rollno);

printf("\n Name= %s",s1[i].name);

}

getch();

}

Find String length In C

#include<stdio.h>

#include<conio.h>

#include<string.h>

main()

{

clrscr();

char a[20];

int l;

printf("Enter String =");

scanf("%s",a);

l=strlen(a);

printf("length of String=%d",l);

getch();

}

Program Of String Lower Case In C

#include<stdio.h>

#include<conio.h>

#include<string.h>

main()

{

clrscr();

char a[20];

puts("Enter String=");

gets(a);

printf("String In Lower CAe = %s",strlwr(a));

getch();

}

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String Lower Case Used to Convert The Upper Case (capital ) to Lower case.It is the part or type of String.