Eroare de compilare: user.c:1:18: error: cstdio: No such file or directory user.c:2:19: error: cstring: No such file or directory user.c:3:19: error: cstdlib: No such file or directory user.c:4:19: error: cassert: No such file or directory user.c: In function 'print': user.c:14: warning: implicit declaration of function 'printf' user.c:14: warning: incompatible implicit declaration of built-in function 'printf' user.c: In function 'set': user.c:24: warning: implicit declaration of function 'memset' user.c:24: warning: incompatible implicit declaration of built-in function 'memset' user.c: In function 'mul_': user.c:146: warning: implicit declaration of function 'memcpy' user.c:146: warning: incompatible implicit declaration of built-in function 'memcpy' user.c:147: warning: implicit declaration of function 'assert' user.c: In function 'main': user.c:180: warning: implicit declaration of function 'malloc' user.c:180: warning: incompatible implicit declaration of built-in function 'malloc' user.c:186: warning: implicit declaration of function 'freopen' user.c:186: error: 'stdin' undeclared (first use in this function) user.c:186: error: (Each undeclared identifier is reported only once user.c:186: error: for each function it appears in.) user.c:187: error: 'stdout' undeclared (first use in this function) user.c:190: warning: implicit declaration of function 'scanf' user.c:190: warning: incompatible implicit declaration of built-in function 'scanf' user.c:206: warning: incompatible implicit declaration of built-in function 'printf' user.c:227: warning: incompatible implicit declaration of built-in function 'memcpy' user.c:237: warning: incompatible implicit declaration of built-in function 'printf'