第一个:#include <stdio.h>
int main(){
int i = 0;
char c;
FILE * data;
data = fopen("asc.txt","w+");
for(i = 32; i<=127; i++)
{
fprintf(data,"%c",i);
}
fclose(data);
return 0;
}
第二个:#include <stdio.h>
int main(){
int i = 0;
char c;
FILE * data;
data = fopen("asc.txt","r");
i = 0;
while((c = fgetc(data))!=EOF)
{
printf("%c",c);
if(i%40==0)
printf("\n");
i++;
}
fclose(data);
return 0;
}