Chapter 9. Internal Processing and File I/O
80
$ ./length i (a Hangul character)
Your string is: "(the character)"
Length of your string is: 3 bytes.
Length of your string is: 1 characters.
Width of your string is: 2 columns.
9.4 Extraction of Characters
The following program extracts all characters contained in the given string.
/* extract.c
*
* a sample program to extract each character contained in the string
* not internationalized
*/
#include 
#include 
int main(int argc, char **argv)
{
char *p;
int c;
if (argc < 2) {
printf("Usage: %s [string]\n", argv[0]);
return 0;
}
printf("Your string is: \"%s\".\n", argv[1]);
c = 0;
for (p=argv[1] ; *p ; p++) {
printf("Character #%d is \"%c\".\n", ++c, *p);
}
return 0;
}
Using wide characters, the program can be rewritten as following.






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