Program string functions strlen(); strlwr(); strupr(); strcat(); strcmp(); strcpy(); strrev();

#include<stdio.h>
#include<conio.h>
#include<string.h>
void main(){




int a;
clrscr();
char b[30]="Programming in ";
char c[30]="ANSI";
a=(strlen(b));
printf("Length of a=%d\n",a);

puts("\nLower case of string: ");
puts(strlwr(b));

puts("\nUpper case of string: ");
puts(strupr(b));


puts("\nConcatenates two strings: ");
puts(strcat(b,c));

puts("\nCompares two strings: ");
if(strcmp(b,c)==0)
puts("Both string are equal");
else
puts("Both string are not equal");

puts("\nCopies a string: ");
puts(strcpy(b,c));

puts("\nReverse of a string: ");
puts(strrev(c));

getch();
}