0018-strlen.c (212B)
1 #include <assert.h> 2 #include <stdio.h> 3 #include <string.h> 4 5 /* 6 output: 7 testing 8 done 9 end: 10 */ 11 12 int 13 main() 14 { 15 puts("testing"); 16 17 assert(strlen("01234") == 5); 18 assert(strlen("") == 0); 19 20 puts("done"); 21 22 return 0; 23 }