Eroare de compilare: user.c: In function ‘main’: user.c:26: error: ‘n’ undeclared (first use in this function) user.c:26: error: (Each undeclared identifier is reported only once user.c:26: error: for each function it appears in.) user.c:26: error: ‘m’ undeclared (first use in this function) user.c:33: warning: implicit declaration of function ‘malloc’ user.c:33: warning: incompatible implicit declaration of built-in function ‘malloc’ user.c:33: warning: ‘return’ with no value, in function returning non-void user.c:31: warning: unused variable ‘q’ user.c:30: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result