version 1.5, 1998/02/05 18:47:18 |
version 1.5.12.4, 2002/08/01 03:28:10 |
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.Sh LIBRARY |
.Sh LIBRARY |
.Lb libc |
.Lb libc |
.Sh SYNOPSIS |
.Sh SYNOPSIS |
.Fd #include <ctype.h> |
.Fd #include \*[Lt]ctype.h\*[Gt] |
.Ft int |
.Ft int |
.Fn islower "int c" |
.Fn islower "int c" |
.Sh DESCRIPTION |
.Sh DESCRIPTION |
Line 62 for which none of |
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Line 62 for which none of |
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or |
or |
.Xr isspace 3 |
.Xr isspace 3 |
is true. |
is true. |
In the |
In the |
.Em ``C'' |
.Em ``C'' |
locale, |
locale, |
.Fn islower |
.Fn islower |
Line 85 returns non-zero if the character tests |
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Line 85 returns non-zero if the character tests |
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.Xr isspace 3 , |
.Xr isspace 3 , |
.Xr isupper 3 , |
.Xr isupper 3 , |
.Xr isxdigit 3 , |
.Xr isxdigit 3 , |
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.Xr stdio 3 , |
.Xr toascii 3 , |
.Xr toascii 3 , |
.Xr tolower 3 , |
.Xr tolower 3 , |
.Xr toupper 3 , |
.Xr toupper 3 , |
.Xr stdio 3 , |
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.Xr ascii 7 |
.Xr ascii 7 |
.Sh STANDARDS |
.Sh STANDARDS |
The |
The |
.Fn islower |
.Fn islower |
function conforms to |
function conforms to |
.St -ansiC . |
.St -ansiC . |
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.Sh CAVEATS |
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The argument to |
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.Fn islower |
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must be |
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.Dv EOF |
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or representable as an |
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.Li unsigned char ; |
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otherwise, the result is undefined. |