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diff --git a/man-pages-posix-2013/man0p/regex.h.0p b/man-pages-posix-2013/man0p/regex.h.0p new file mode 100644 index 0000000..5d0caa5 --- /dev/null +++ b/man-pages-posix-2013/man0p/regex.h.0p @@ -0,0 +1,209 @@ +'\" et +.TH regex.h "0P" 2013 "IEEE/The Open Group" "POSIX Programmer's Manual" +.SH PROLOG +This manual page is part of the POSIX Programmer's Manual. +The Linux implementation of this interface may differ (consult +the corresponding Linux manual page for details of Linux behavior), +or the interface may not be implemented on Linux. + +.SH NAME +regex.h +\(em regular expression matching types +.SH SYNOPSIS +.LP +.nf +#include <regex.h> +.fi +.SH DESCRIPTION +The +.IR <regex.h> +header shall define the structures and symbolic constants used by the +\fIregcomp\fR(), +\fIregexec\fR(), +\fIregerror\fR(), +and +\fIregfree\fR() +functions. +.P +The +.IR <regex.h> +header shall define the +.BR regex_t +structure type, which shall include at least the following member: +.sp +.RS 4 +.nf +\fB +size_t re_nsub \fRNumber of parenthesized subexpressions.\fR +.fi \fR +.P +.RE +.P +The +.IR <regex.h> +header shall define the +.BR size_t +type as described in +.IR <sys/types.h> . +.P +The +.IR <regex.h> +header shall define the +.BR regoff_t +type as a signed integer type that can hold +the largest value that can be stored in either a +.BR ptrdiff_t +type or a +.BR ssize_t +type. +.P +The +.IR <regex.h> +header shall define the +.BR regmatch_t +structure type, which shall include at least the following members: +.sp +.RS 4 +.nf +\fB +regoff_t rm_so \fRByte offset from start of string\fR + \fRto start of substring.\fR +regoff_t rm_eo \fRByte offset from start of string of the\fR + \fRfirst character after the end of substring.\fR +.fi \fR +.P +.RE +.P +The +.IR <regex.h> +header shall define the following symbolic constants for the +.IR cflags +parameter to the +\fIregcomp\fR() +function: +.IP REG_EXTENDED 14 +Use Extended Regular Expressions. +.IP REG_ICASE 14 +Ignore case in match. +.IP REG_NOSUB 14 +Report only success or fail in +\fIregexec\fR(). +.IP REG_NEWLINE 14 +Change the handling of +<newline>. +.P +The +.IR <regex.h> +header shall define the following symbolic constants for the +.IR eflags +parameter to the +\fIregexec\fR() +function: +.IP REG_NOTBOL 14 +The +<circumflex> +character (\c +.BR '^' ), +when taken as a special character, does not match the beginning of +.IR string . +.IP REG_NOTEOL 14 +The +<dollar-sign> +(\c +.BR '$' ), +when taken as a special character, does not match the end of +.IR string . +.P +The +.IR <regex.h> +header shall define the following symbolic constants as error +return values: +.IP REG_NOMATCH 14 +\fIregexec\fR() +failed to match. +.IP REG_BADPAT 14 +Invalid regular expression. +.IP REG_ECOLLATE 14 +Invalid collating element referenced. +.IP REG_ECTYPE 14 +Invalid character class type referenced. +.IP REG_EESCAPE 14 +Trailing +<backslash> +character in pattern. +.IP REG_ESUBREG 14 +Number in \e\fIdigit\fP invalid or in error. +.IP REG_EBRACK 14 +.BR \(dq[]\(dq +imbalance. +.IP REG_EPAREN 14 +.BR \(dq\e(\e)\(dq +or +.BR \(dq()\(dq +imbalance. +.IP REG_EBRACE 14 +.BR \(dq\e{\e}\(dq +imbalance. +.IP REG_BADBR 14 +Content of +.BR \(dq\e{\e}\(dq +invalid: not a number, number too large, more than two numbers, first +larger than second. +.IP REG_ERANGE 14 +Invalid endpoint in range expression. +.IP REG_ESPACE 14 +Out of memory. +.IP REG_BADRPT 14 +.BR '?' , +.BR '*' , +or +.BR '+' +not preceded by valid regular expression. +.P +The following shall be declared as functions and may also be defined +as macros. Function prototypes shall be provided. +.sp +.RS 4 +.nf +\fB +int regcomp(regex_t *restrict, const char *restrict, int); +size_t regerror(int, const regex_t *restrict, char *restrict, size_t); +int regexec(const regex_t *restrict, const char *restrict, size_t, + regmatch_t [restrict], int); +void regfree(regex_t *); +.fi \fR +.P +.RE +.P +The implementation may define additional macros or constants using +names beginning with REG_. +.LP +.IR "The following sections are informative." +.SH "APPLICATION USAGE" +None. +.SH RATIONALE +None. +.SH "FUTURE DIRECTIONS" +None. +.SH "SEE ALSO" +.IR "\fB<sys_types.h>\fP" +.P +The System Interfaces volume of POSIX.1\(hy2008, +.IR "\fIregcomp\fR\^(\|)" +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 7, Copyright (C) 2013 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. +(This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the +event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.unix.org/online.html . + +Any typographical or formatting errors that appear +in this page are most likely +to have been introduced during the conversion of the source files to +man page format. To report such errors, see +https://www.kernel.org/doc/man-pages/reporting_bugs.html . |