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isgraph(3) -- printing character test (space character exclusive)
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The isgraph() function tests for any printing character except space (` '). |
isinf(3) -- test for infinity or not-anumber
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The isinf() function returns 1 if the number n is Infinity, otherwise 0. The isinff() function is a single precision version of isinf(). The isnan() function returns 1 if the number n is ``not-anumber... |
isinff(3) -- test for infinity or not-anumber
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The isinf() function returns 1 if the number n is Infinity, otherwise 0. The isinff() function is a single precision version of isinf(). The isnan() function returns 1 if the number n is ``not-anumber... |
islower(3) -- lower-case character test
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The islower() function tests for any lower-case letter for which none of iscntrl(3), isdigit(3), ispunct(3), or isspace(3) is true. In the C locale, islower() returns true only for the characters defi... |
isnan(3) -- test for infinity or not-anumber
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The isinf() function returns 1 if the number n is Infinity, otherwise 0. The isinff() function is a single precision version of isinf(). The isnan() function returns 1 if the number n is ``not-anumber... |
isnanf(3) -- test for infinity or not-anumber
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The isinf() function returns 1 if the number n is Infinity, otherwise 0. The isinff() function is a single precision version of isinf(). The isnan() function returns 1 if the number n is ``not-anumber... |
isprint(3) -- printing character test (space character inclusive)
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The isprint() function tests for any printing character including space (` '). |
ispunct(3) -- punctuation character test
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The ispunct() function tests for any printing character except space (` ') or a character for which isalnum(3) is true. |
isspace(3) -- whitespace character test
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The isspace() function tests for the standard whitespace characters for which isalnum(3) is false. The standard whitespace characters are the following: ` ' Space character. Form feed. NCarriage retu... |
isupper(3) -- upper-case character test
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The isupper() function tests for any upper-case letter or any of an implementation-defined set of characters for which none of iscntrl(3), isdigit(3), ispunct(3), or isspace(3) is true. In the C local... |
isxdigit(3) -- hexadecimal-digit character test
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The isxdigit() function tests for any hexadecimal-digit character. |
is_linetouched(3) -- curses refresh control routines
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The touchwin and touchline routines throw away all optimization information about which parts of the window have been touched, by pretending that the entire window has been drawn on. This is sometimes... |
is_wintouched(3) -- curses refresh control routines
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The touchwin and touchline routines throw away all optimization information about which parts of the window have been touched, by pretending that the entire window has been drawn on. This is sometimes... |