int any(char s1[], char s2[]){ int i, j; for(i = 0; s1[i] != '\n'; i++) for(j = 0; s2[j] != '\n'; j++) if(s1[i] == s2[j]) return i; return -1; }
Standard input is empty
/usr/lib/gcc/i586-linux-gnu/5/../../../i386-linux-gnu/crt1.o: In function `_start': (.text+0x18): undefined reference to `main' collect2: error: ld returned 1 exit status
Standard output is empty