#include<stdio.h> int main() { char i[20]; strrev(i); return 0; }
Standard input is empty
prog.c: In function ‘main’: prog.c:10:5: warning: implicit declaration of function ‘strrev’ [-Wimplicit-function-declaration] strrev(i); ^~~~~~ /home/ntFOjp/ccNfDI1S.o: In function `main': prog.c:(.text.startup+0x2a): undefined reference to `strrev' collect2: error: ld returned 1 exit status
Standard output is empty