函数名: parsfnm 
 功  能: 分析文件名 
 用  法: #include <process.h> 
         char *parsfnm (char *cmdline, struct fcb *fcbptr, int option); 
 程序例: 
#include <process.h> 
 #include <string.h> 
 #include <stdio.h> 
 #include <dos.h> 
int main(void) 
 { 
    char line[80]; 
    struct fcb blk; 
   /* get file name */ 
    printf("Enter drive and file name (no path - ie. a:file.dat)\n"); 
    gets(line); 
   /* put file name in fcb */ 
    if (parsfnm(line, &blk, 1) == NULL) 
       printf("Error in parsfm call\n"); 
    else 
       printf("Drive #%d  Name: %11s\n", blk.fcb_drive, blk.fcb_name); 
   return 0; 
 }