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Search for a UTF-8 character in part of a string
#include <utf8.h>
char * utf8strnchr( char const *string,
char const *mbchar,
int num,
int *count );
- string
- A pointer to the string to search.
- mbchar
- The character to look for.
- num
- The maximum number of characters to search in the string.
- count
- A pointer to the location where utf8strnchr() stores the
number of UTF-8 characters the matching character is from the start of
the string.
ph
This function
searches for a UTF-8 character in string that matches
mbchar.
The match must occur in the first num UTF-8 characters.
If such a match is found, count (if provided)
is set to the number of UTF-8 characters the matching character is from
the beginning of the string. For example, if mbchar matches the
first character in string, count is set to 0. If
mbchar matches the second character in string,
count is set to 1.
A pointer to the beginning of the matching character within
string.
If no match is found within num characters, the function returns
NULL and doesn't change count.
Search the first 5 UTF-8 characters for a match to the provided
UTF-8 character:
#include <Pt.h>
int main()
{
char string[] = "Hello there: äîòéü found";
char mbchar[] = "é";
int count;
char *p;
if( (p = utf8strchr( string, mbchar, 5, &count ) ) )
printf(
"Character found: character offset %d\n byte offset %d.\n",
count, p - string );
else
printf( "Not found.\" );
return EXIT_SUCCESS;
}
Photon
Safety: | |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
utf8strchr(),
utf8strichr(),
utf8strnichr(),
utf8strrchr(),
utf8strirchr()
Unicode Multilingual Support
in the Photon Programmer's Guide
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