Eroare de compilare: user.c:4: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘namespace’ user.c:9: error: expected specifier-qualifier-list before ‘pct’ user.c:16: error: expected specifier-qualifier-list before ‘lupta’ user.c: In function ‘afiseaza’: user.c:26: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c: In function ‘back’: user.c:57: warning: implicit declaration of function ‘lupta’ user.c:57: error: incompatible types when assigning to type ‘struct lupta’ from type ‘int’ user.c:59: warning: implicit declaration of function ‘pct’ user.c:59: error: incompatible types when assigning to type ‘struct pct’ from type ‘int’ user.c:62: error: ‘true’ undeclared (first use in this function) user.c:62: error: (Each undeclared identifier is reported only once user.c:62: error: for each function it appears in.) user.c:67: error: incompatible types when assigning to type ‘struct pct’ from type ‘int’ user.c:70: error: ‘false’ undeclared (first use in this function) user.c: In function ‘main’: user.c:88: error: incompatible types when assigning to type ‘struct pct’ from type ‘int’ user.c:80: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:82: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c:86: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result