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54 .Nd character classification functions
60 .Fn digittoint_l "int c" "locale_t loc"
62 .Fn isalnum_l "int c" "locale_t loc"
64 .Fn isalpha_l "int c" "locale_t loc"
66 .Fn iscntrl_l "int c" "locale_t loc"
68 .Fn isdigit_l "int c" "locale_t loc"
70 .Fn isgraph_l "int c" "locale_t loc"
72 .Fn ishexnumber_l "int c" "locale_t loc"
74 .Fn isideogram_l "int c" "locale_t loc"
76 .Fn islower_l "int c" "locale_t loc"
78 .Fn isnumber_l "int c" "locale_t loc"
80 .Fn isphonogram_l "int c" "locale_t loc"
82 .Fn isspecial_l "int c" "locale_t loc"
84 .Fn isprint_l "int c" "locale_t loc"
86 .Fn ispunct_l "int c" "locale_t loc"
88 .Fn isrune_l "int c" "locale_t loc"
90 .Fn isspace_l "int c" "locale_t loc"
92 .Fn isupper_l "int c" "locale_t loc"
94 .Fn isxdigit_l "int c" "locale_t loc"
96 .Fn tolower_l "int c" "locale_t loc"
98 .Fn toupper_l "int c" "locale_t loc"
100 The above functions perform character tests and conversions on the integer
104 They behave in the same way as the versions without the _l suffix, but use the
105 specified locale rather than the global or per-thread locale.
107 or as true functions in the C library.
108 See the specific manual pages for more information.
119 .Xr isphonogram_l 3 ,
132 These functions conform to