#include // ANSI C exit() prototype
int main(int argc, char *argv[])
{
int ch; // place to store each character as read
FILE *fp; // "file pointer"
long count = 0;
if (argc != 2)
{
printf("Usage: %s filename\n", argv[0]);
exit(1);
}
if ((fp = fopen(argv[1], "r")) == NULL)
{
printf("Can't open %s\n", argv[1]);
exit(1);
}
while ((ch = getc(fp)) != EOF)
{
putc(ch,stdout); // same as putchar(ch);
count++;
}
fclose(fp);
printf("File %s has %ld characters\n", argv[1], count);
天盟APP下载
