Eroare de compilare: user.c: In function ‘P’: user.c:35:17: error: ‘m’ undeclared (first use in this function) for(j=(*m),t=0;j;j--,t/=10) ^ user.c:35:17: note: each undeclared identifier is reported only once for each function it appears in user.c:35:19: warning: left-hand operand of comma expression has no effect [-Wunused-value] for(j=(*m),t=0;j;j--,t/=10) ^ user.c: In function ‘main’: user.c:76:5: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘char (*)[204]’ [-Wformat=] freopen("free.in","r",stdin),freopen("free.out","w",stdout),scanf("%s",&s),n=strlen(s); ^ user.c:76:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("free.in","r",stdin),freopen("free.out","w",stdout),scanf("%s",&s),n=strlen(s); ^ user.c:76:41: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("free.in","r",stdin),freopen("free.out","w",stdout),scanf("%s",&s),n=strlen(s); ^ user.c:76:70: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] freopen("free.in","r",stdin),freopen("free.out","w",stdout),scanf("%s",&s),n=strlen(s); ^