Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:6:2: error: ‘f’ was not declared in this scope {f=fopen ("lant.in","r"); ^ user.cpp:7:2: error: ‘g’ was not declared in this scope g=fopen ("lant.out","w"); ^ user.cpp:8:18: error: ‘k’ was not declared in this scope fscanf (f,"%d",&k); ^ user.cpp:9:20: error: ‘c’ was not declared in this scope fscanf (f,"%c%c",&c,&c); ^ user.cpp:11:19: error: ‘isletter’ was not declared in this scope while (isletter(c) || c==' ' || strchr (c,",:;.!?-")) ^ user.cpp:11:53: error: ‘strchr’ was not declared in this scope while (isletter(c) || c==' ' || strchr (c,",:;.!?-")) ^ user.cpp:12:5: error: ‘nr’ was not declared in this scope { nr=0; k++; ^ user.cpp:15:9: error: ‘a’ was not declared in this scope a[k][nr++]=c; ^ user.cpp:17:5: error: expected ‘;’ before ‘}’ token } ^