int isspace(int c);参数c -- 这是要检查的字符。返回值如果c 是一个空白字符,则该函数返回非零值(true),否则返回 0(false)。实例下面的实例演示了 isspace() 函数的用法。#include <stdio.h> #include <ctype.h> int main() { int var1 = 't'; int var2 = '1'; int var3 = ' '; if( ...
❮ C ctype Library ExampleCheck if a character is whitespace:char c = ' '; if (isspace(c)) { printf("%c is whitespace", c); } else { printf("%c is not whitespace", c); } Try it Yourself » Definition and UsageThe isspace() function returns a non-zero value (equivalent to...
The isspace() function checks if ch is a whitespace character as classified by the current C locale. By default, the the following characters are whitespace characters: space (0x20, ' ') form feed (0x0c, '\f') line feed (0x0a, '\n') carriage return (0x0d, '\r') horizontal tab...
isspace returns a nonzero value if c is a white-space character (0x09 – 0x0D or 0x20). The result of the test condition for the isspacefunction depends on the LC_CTYPE category setting of the locale; see setlocale for more information. The versions of these functions without the _...
This function template overloads the C functionisspace(defined in<cctype>). Parameters c Character to be checked. loc Locale to be used. It shall have actypefacet. The template argumentcharTis the character type. Return Value trueif indeedcis a white-space character. ...
int isspace(int c);参数c -- 这是要检查的字符。返回值如果c 是一个空白字符,则该函数返回非零值(true),否则返回 0(false)。实例下面的实例演示了 isspace() 函数的用法。#include <stdio.h> #include <ctype.h> int main() { int var1 = 't'; int var2 = '1'; int var3 = ' '; if( ...
4.c: In function ‘main’:4.c:13:5: warning: passing argument1 of ‘strsep’from incompatible pointer type [enabled bydefault] strsep(&buf,","); ^In file includedfrom4.c:3:0: /usr/include/string.h:555:14: note: expected ‘char ** __restrict__’ but argumentis of type ‘char...
isspace returns a nonzero value if c is a white-space character (0x09 - 0x0D or 0x20). The result of the test condition for the isspace function depends on the LC_CTYPE category setting of the locale. For more information, see setlocale, _wsetlocale. The versions of these function...
C isspace()If an argument (character) passed to the isspace() function is a white-space character, it returns non-zero integer. If not, it returns 0. Function prototype of isspace() int isspace(int argument); When a character is passed as an argument, corresponding ASCII value (integer)...
isspace returns a nonzero value if c is a white-space character (0x09 – 0x0D or 0x20). The result of the test condition for the isspacefunction depends on the LC_CTYPE category setting of the locale; see setlocale for more information. The versions of these functions without the _l...