[root@green-apple adversus.gr]# gcc ./calc.c -o ./calc
./calc.c:1:18: error: cctype: No such file or directory
./calc.c: In function 'main':
./calc.c:11: error: syntax error before 'int'
./calc.c:27: error: 'input' undeclared (first use in this function)
./calc.c:27: error: (Each undeclared identifier is reported only once
./calc.c:27: error: for each function it appears in.)




SE OLA PAIRNO ENA PAROMOIO ERROR MONO POU ALLAZEI TO NAME TIS FUNCTION...