Compilare: user.c:6:6: warning: return type of ‘main’ is not ‘int’ [-Wmain] void main(){ ^ user.c: In function ‘main’: user.c:30:3: warning: implicit declaration of function ‘calculateCmmdc’ [-Wimplicit-function-declaration] cmmdc = calculateCmmdc(number1, number2); ^ user.c: In function ‘calculateCmmdc’: user.c:41:5: warning: type of ‘number1’ defaults to ‘int’ [enabled by default] int calculateCmmdc(number1, number2) { ^ user.c:41:5: warning: type of ‘number2’ defaults to ‘int’ [enabled by default] user.c: In function ‘main’: user.c:51:39: warning: ‘number2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if ((number1 % i == 0) & (number2 % i == 0)){ ^ user.c:10:16: note: ‘number2’ was declared here int number1, number2, cnt = 0, numInt, cmmdc; ^ user.c:51:18: warning: ‘number1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if ((number1 % i == 0) & (number2 % i == 0)){ ^ user.c:10:7: note: ‘number1’ was declared here int number1, number2, cnt = 0, numInt, cmmdc; ^