Mega Code Archive

 

Categories / C / Code Snippets

 

Memory compare

#include <stdio.h> #include <string.h> #include <stdlib.h> int main(int argc, char *argv[]) { int outcome, len, j1, j2; if(argc!=3) { printf("Incorrect number of arguments."); exit(1); } /* find the length of shortest string */ j1 = strlen(argv[1]); j2 = strlen(argv[2]); len = j1 < j2 ? j1:j2; outcome = memcmp(argv[1], argv[2], len); if(!outcome) printf("Equal"); else if(outcome<0) printf("First less than second."); else printf("First greater than second."); return 0; }