Predefine function of C in string.h library
Predefine function of C in string.h library .In the string.h header file there are lots of function define which we can use directly we makes our work easy. Some important function are as follow:-
#include<stdio.h> #include<string.h> int main() { char s[]="CrackAlgo"; int len; len=strlen(s); printf("Length of the string is %d",len); return 0; }
Output:-
#include<stdio.h> #include<string.h> int main() { char s[]="CrackAlgo" ; char str[50]; strcpy(str,s); printf("The source string is %s\n",s); printf("The copy string is %s",str); return 0; }
Output:-
The source string is CrackAlgo The copy string is CrackAlgo
3) strcmp():-
#include<stdio.h> #include<string.h> int main() { char s1[]="CrackAlgo" ; char s2[]="AlgoCrack"; int ans; ans=strcmp(s1,s2); printf(" The value return by strcmp is %d",ans); return 0; }
Output:-
The value return by strcmp is -21
4) strcat():-
#include<stdio.h> #include<string.h> int main() { char s1[100]="This is " ; char s2[]="CrackAlgo.com"; strcat(s1,s2); printf("Final string is ' %s '",s1); return 0; }
Output:-
Final string is ' This is CrackAlgo.com '
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