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putc
POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/putc.html
Gnulib module: stdio, nonblocking, sigpipe
Portability problems fixed by Gnulib module stdio
, together with module nonblocking
:
errno
being set to ENOSPC
instead of EAGAIN
on some
platforms:
mingw, MSVC 14.
Portability problems fixed by Gnulib module stdio
, together with module sigpipe
:
SIGPIPE
handler, on some platforms:
mingw, MSVC 14.
Portability problems not fixed by Gnulib:
errno
upon failure.
errno
or the
stream error indicator on attempts to write to a read-only stream:
Cygwin 1.7.9.