diff options
Diffstat (limited to 'man3/isalpha.3')
| -rw-r--r-- | man3/isalpha.3 | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/man3/isalpha.3 b/man3/isalpha.3 index cf0d54a..68afb7a 100644 --- a/man3/isalpha.3 +++ b/man3/isalpha.3 @@ -8,7 +8,7 @@ .\" Modified Sat Sep 2 21:52:01 1995 by Jim Van Zandt <jrv@vanzandt.mv.com> .\" Modified Mon May 27 22:55:26 1996 by Martin Schulze (joey@linux.de) .\" -.TH isalpha 3 2023-07-30 "Linux man-pages 6.05.01" +.TH isalpha 3 2024-02-25 "Linux man-pages 6.7" .SH NAME isalnum, isalpha, isascii, isblank, iscntrl, isdigit, isgraph, islower, isprint, ispunct, isspace, isupper, isxdigit, @@ -22,7 +22,7 @@ Standard C library .SH SYNOPSIS .nf .B #include <ctype.h> -.PP +.P .BI "int isalnum(int " c ); .BI "int isalpha(int " c ); .BI "int iscntrl(int " c ); @@ -34,10 +34,10 @@ Standard C library .BI "int isspace(int " c ); .BI "int isupper(int " c ); .BI "int isxdigit(int " c ); -.PP +.P .BI "int isascii(int " c ); .BI "int isblank(int " c ); -.PP +.P .BI "int isalnum_l(int " c ", locale_t " locale ); .BI "int isalpha_l(int " c ", locale_t " locale ); .BI "int isblank_l(int " c ", locale_t " locale ); @@ -50,28 +50,28 @@ Standard C library .BI "int isspace_l(int " c ", locale_t " locale ); .BI "int isupper_l(int " c ", locale_t " locale ); .BI "int isxdigit_l(int " c ", locale_t " locale ); -.PP +.P .BI "int isascii_l(int " c ", locale_t " locale ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE .ad l -.PP +.P .BR isascii (): .nf _XOPEN_SOURCE || /* glibc >= 2.19: */ _DEFAULT_SOURCE || /* glibc <= 2.19: */ _SVID_SOURCE .fi -.PP +.P .BR isblank (): .nf _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L .fi -.PP +.P .BR \%salnum_l (), .BR \%salpha_l (), .BR \%sblank_l (), @@ -90,7 +90,7 @@ Feature Test Macro Requirements for glibc (see Before glibc 2.10: _GNU_SOURCE .fi -.PP +.P .BR isascii_l (): .nf Since glibc 2.10: @@ -109,7 +109,7 @@ or falls into a certain character class according to the specified locale. The functions without the "_l" suffix perform the check based on the current locale. -.PP +.P The functions with the "_l" suffix perform the check based on the locale specified by the locale object .IR locale . @@ -120,7 +120,7 @@ is the special locale object (see .BR duplocale (3)) or is not a valid locale object handle. -.PP +.P The list below explains the operation of the functions without the "_l" suffix; the functions with the "_l" suffix differ only in using the locale object @@ -170,9 +170,9 @@ alphanumeric character. .BR isspace () checks for white-space characters. In the -.B """C""" +.B \[dq]C\[dq] and -.B """POSIX""" +.B \[dq]POSIX\[dq] locales, these are: space, form-feed .RB ( \[aq]\ef\[aq] ), newline @@ -221,7 +221,6 @@ T{ .BR isxdigit () T} Thread safety MT-Safe .TE -.sp 1 .\" FIXME: need a thread-safety statement about the *_l functions .SH STANDARDS .TP @@ -357,7 +356,7 @@ is of type it must be cast to .IR "unsigned char" , as in the following example: -.PP +.P .in +4n .EX char c; @@ -365,7 +364,7 @@ char c; res = toupper((unsigned char) c); .EE .in -.PP +.P This is necessary because .I char may be the equivalent of @@ -375,7 +374,7 @@ converting to .IR int , yielding a value that is outside the range of .IR "unsigned char" . -.PP +.P The details of what characters belong to which class depend on the locale. For example, |