C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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_close
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─────Run-Time Library───────────────────────────────────────────────────────
 
     The _close function closes the file associated with <handle>.
 
     Return Value
 
     The _close function returns 0 if the file was successfully closed.
     A return value of -1 indicates an error, and errno is set to
     EBADF, indicating an invalid file-handle argument.
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