Eroare de compilare: user.cpp:6:21: error: process.h: No such file or directory user.cpp:7:22: error: iostream.h: No such file or directory user.cpp: In function ‘void intro()’: user.cpp:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: At global scope: user.cpp:97: error: ‘::main’ must return ‘int’