Eroare de compilare: user.c:1: warning: ignoring #pragma option user.c:11: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘xy’ user.c:12: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘a’ user.c:14: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘xcnt’ user.c:16: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token user.c:44: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token user.c: In function ‘main’: user.c:72: error: ‘xy’ undeclared (first use in this function) user.c:72: error: (Each undeclared identifier is reported only once user.c:72: error: for each function it appears in.) user.c:74: error: ‘a’ undeclared (first use in this function) user.c:76: warning: implicit declaration of function ‘sort’ user.c:76: error: ‘b’ undeclared (first use in this function) user.c:78: warning: implicit declaration of function ‘uniq’ user.c:84: error: ‘xcnt’ undeclared (first use in this function) user.c:69: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:70: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result