Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                int access( const char *filename, int amode )                
                                                                                
                                                                                
        - prototype in io.h                                                     
                                                                                
        - checks filename for existence & R/W access                            
                                                                                
        - amode = 06 -- check for R/W permission                                
                  04 -- check for R                                             
                  02 -- check for W                                             
                  01 -- execute (ignored)                                       
                  00 -- check if filename exists                                
                                                                                
        - filename can be directory                                             
        - returns 0 if OK                                                       
                 -1 on error                                                    
                    errno = ENOENT if path or filename not found                
                    errno = EACCES if permission denied                         
                                                                                
                                                                                
 

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