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lab17feb22x4B.cppError(s): 1765254525/source.cpp: In function ‘int main()’: 1765254525/source.cpp:25:15: error: ‘fnamw’ was not declared in this scope if ((fd=open(fnamw, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR))<0) ^~~~~ 1765254525/source.cpp:25:15: note: suggested alternative: ‘fname’ if ((fd=open(fnamw, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR))<0) ^~~~~ fname 1765254525/source.cpp:18:10: warning: unused variable ‘pid_processo’ [-Wunused-variable] int fd, pid_processo; ^~~~~~~~~~~~ 1765254525/source.cpp:19:6: warning: unused variable ‘nread’ [-Wunused-variable] int nread,nwrite,status; ^~~~~ 1765254525/source.cpp:19:12: warning: unused variable ‘nwrite’ [-Wunused-variable] int nread,nwrite,status; ^~~~~~ 1765254525/source.cpp:19:19: warning: unused variable ‘status’ [-Wunused-variable] int nread,nwrite,status; ^~~~~~ 1765254525/source.cpp:20:7: warning: unused variable ‘st1’ [-Wunused-variable] char st1[256]; /*Stringa lunga 256 caratteri*/ ^~~ 1765254525/source.cpp:21:7: warning: unused variable ‘st2’ [-Wunused-variable] char st2[256]; /*Stringa lunga 256 caratteri*/ ^~~ |
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