Strings-Computer Fundamentals-Lab Codes, Exercises of Computer Fundamentals

Download Strings-Computer Fundamentals-Lab Codes and more Exercises Computer Fundamentals in PDF only on Docsity! // solution for last lab #include <stdio.h> #include <stdlib.h> void mystery1( char *, const char * ); // prototype int mystery3( const char *s1, const char *s2 ); // prototype int main() { char *string1; char *string2; int x; // if you are using pointer then you need to assign them memory to read user input through scanf function string1=(char*) malloc(30); string2=(char*) malloc(30); // if you dont do malloc then pointer is not pointing to a valid memory address and thus can not store it and give // segmentation fault or bus error printf("Enter first string: "); scanf("%s",string1); printf("Enter first string: "); scanf("%s",string2); printf("Calling mystery3 \n"); x=mystery3 (string1, string2); if(x==0) { printf(" String are not equal\n"); } else if(x==1) { printf(" String are equal\n"); } printf("Calling mystery1 \n"); mystery1 (string1, string2); printf("%s\n",string1); return 0; // indicates successful termination } // end main // What does this function do? void mystery1( char *s1, const char *s2 ) { while ( *s1 != '\0' ) ++s1; for ( ; *s1 = *s2; s1++, s2++ ); // empty statement } // end function mystery1 int mystery3( const char *s1, const char *s2 ) docsity.com