?? shofirst.c
字號(hào):
#include <stdio.h>
#include <stdlib.h>
void main(int argc, char *argv[])
{
char line[255]; // Line read from the file
int i,j;
FILE *fp;
if (argc > 2)
j = 10;
else
j = argv[2];
if (fp = fopen(argv[1], "r"))
{
for (i=0; i < j; i++)
{
fgets(line, sizeof(line), fp);
fputs(line, stdout);
}
fclose(fp);
}
else
{
printf("Cannot open %s\n", argv[1]);
exit (1);
}
}
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