?? copy.c
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/* copy.c: * Copyright (C) 張思 */#include <stdio.h>static char copybuf[16384];extern int TIMEOUT;int copy(FILE *read_f, FILE *write_f){ int n; int wrote; alarm(TIMEOUT); while (n = fread(copybuf,1,sizeof(copybuf),read_f)) { alarm(TIMEOUT); wrote = fwrite(copybuf,n,1,write_f); alarm(TIMEOUT); if (wrote < 1) return -1; } alarm(0); return 0;}?? 快捷鍵說明
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