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864天前#include <stdio.h> |
#include <stdlib.h> |
#define FNAME "test.$$$" |
int main(void) |
{ |
FILE *fp; |
int word; |
/* place the word in a file */ |
fp = fopen(FNAME, "wb"); |
if (fp == NULL) |
{ |
printf("Error opening file %s\n", FNAME); |
exit(1); |
} |
word = 94; |
putw(word,fp); |
if (ferror(fp)) |
printf("Error writing to file\n"); |
else |
printf("Successful write\n"); |
fclose(fp); |
/* reopen the file */ |
fp = fopen(FNAME, "rb"); |
if (fp == NULL) |
{ |
printf("Error opening file %s\n", FNAME); |
exit(1); |
} |
/* extract the word */ |
word = getw(fp); |
if (ferror(fp)) |
printf("Error reading file\n"); |
else |
printf("Successful read: word = %d\n", word); |
/* clean up */ |
fclose(fp); |
unlink(FNAME); |
return 0; |
} |
