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