C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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getc, getchar
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─────Run-Time Library───────────────────────────────────────────────────────
 
     The getc routine reads a single character from the <stream>
     position and increments the associated file pointer (if there
     is one) to point to the next character. The getchar routine is
     identical to getc( stdin ).
 
     The getc and getchar routines are similar to fgetc and fgetchar,
     respectively, but are implemented both as macros and functions.
 
     Return Value
 
     The getc and getchar routines return the character read. A return
     value of EOF indicates an error or end-of-file condition. Use
     ferror or feof to determine whether an error or end-of-file
     occurred.
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