MirOS Manual: fgetwc(3), getwc(3), getwchar(3)

GETWC(3)                   BSD Programmer's Manual                    GETWC(3)

NAME

     fgetwc, getwc, getwchar - get next wide-character from input stream

SYNOPSIS

     #include <stdio.h>
     #include <wchar.h>

     wint_t
     fgetwc(FILE *stream);

     wint_t
     getwc(FILE *stream);

     wint_t
     getwchar();

DESCRIPTION

     The fgetwc() function obtains the next input wide-character (if present)
     from the stream pointed at by stream, or the next character pushed back
     on the stream via ungetwc(3).

     The getwc() function acts essentially identically to fgetwc(), but is a
     macro that expands in-line.

     The getwchar() function is equivalent to getwc() with the argument stdin.

RETURN VALUES

     If successful, these routines return the next wide-character from the
     stream. If the stream is at end-of-file or a read error occurs, the rou-
     tines return WEOF. The routines feof(3) and ferror(3) must be used to
     distinguish between end-of-file and error. If an error occurs, the global
     variable errno is set to indicate the error. The end-of-file condition is
     remembered, even on a terminal, and all subsequent attempts to read will
     return WEOF until the condition is cleared with clearerr(3).

SEE ALSO

     ferror(3), fopen(3), fread(3), putwc(3), stdio(3), ungetwc(3)

STANDARDS

     The fgetwc(), getwc() and getwchar() functions conform to ISO/IEC
     9899:1999 ("ISO C99").

     In addition to the standard, the MirOS implementation allows continuation
     after an illegal input sequence (when WEOF is returned, ferror(3) returns
     non-zero, and errno is set to EILSEQ). Also, mixing wide-oriented and
     byte-oriented I/O functions is possible.

MirOS BSD #10-current          February 1, 2007                              1

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