词条 | intdos |
释义 | 函数名: intdos 功 能: 通用DOS接口 用 法: int intdos(union REGS *inregs, union REGS *outregs); 程序例: #include #include /* deletes file name; returns 0 on success, nonzero on failure */ int delete_file(char near *filename) { union REGS regs; int ret; regs.h.ah = 0x41; /* delete file */ regs.x.dx = (unsigned) filename; ret = intdos(®s, ®s); /* if carry flag is set, there was an error */ return(regs.x.cflag ? ret : 0); } int main(void) { int err; err = delete_file("NOTEXIST.$$$"); if (!err) printf("Able to delete NOTEXIST.$$$\"); else printf("Not Able to delete NOTEXIST.$$$\"); return 0; } |
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