Eroare de compilare: user.c: In function 'power': user.c:7: error: 'for' loop initial declaration used outside C99 mode user.c: In function 'main': user.c:18: error: 'for' loop initial declaration used outside C99 mode user.c:25: error: redefinition of 'i' user.c:18: error: previous definition of 'i' was here user.c:25: error: 'for' loop initial declaration used outside C99 mode user.c:26: warning: format '%s' expects type 'char *', but argument 3 has type 'char (*)[102]' user.c:35:2: warning: no newline at end of file