[1/2] system_data_types.7: Add 'error_t'
Commit Message
Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
---
man7/system_data_types.7 | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
@@ -199,6 +199,39 @@ See also the
.I float_t
type in this page.
.RE
+.\"------------------------------------- error_t ----------------------/
+.TP
+.I error_t
+.RS
+Include:
+.IR <errno.h> .
+Alternatively,
+.IR <argz.h> ,
+or
+.IR <envz.h> .
+.PP
+An integer type
+used for error reporting.
+A value of 0 means success, and nonzero means failure.
+Portable programs should use
+.I int
+instead.
+.PP
+Conforming to:
+Present in glibc.
+It is not standardized by the C language standard nor POSIX.
+.PP
+Notes:
+C11 standardized a similar type as an optional extension:
+.IR errno_t .
+However,
+.I errno_t
+is not present in POSIX.
+.PP
+See also:
+.BR argz_add (3),
+.BR envz_add (3)
+.RE
.\"------------------------------------- fd_set -----------------------/
.TP
.I fd_set