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// Example copied from https://en.cppreference.com/w/c/string/byte/memccpy
#include <ctype.h>
#include <stdio.h>
#include <string.h>
int main(void)
{
const char src0[] = "Stars: Altair, Sun, Vega.";
const char* src = strdup(src0);
const char terminal[] = {':', ' ', ',', '.', '!'};
char dest[sizeof src0];
const char alt = '@';
for (size_t i = 0; i != sizeof terminal; ++i)
{
void* to = memccpy(dest, src, terminal[i], sizeof dest);
printf("Terminal '%c' (%s):\t\"", terminal[i], to ? "found" : "absent");
// if `terminal` character was not found - print the whole `dest`
to = to ? to : dest + sizeof dest;
for (char* from = dest; from != to; ++from)
putchar(isprint(*from) ? *from : alt);
puts("\"");
}
puts("\n" "Separate star names from distances (ly):");
const char *star_distance[] = {
"Arcturus : 37", "Vega : 25", "Capella : 43", "Rigel : 860", "Procyon : 11"
};
char names_only[64];
char *first = names_only;
char *last = names_only + sizeof names_only;
for (size_t t = 0; t != (sizeof star_distance) / (sizeof star_distance[0]); ++t)
{
if (first)
first = memccpy(first, star_distance[t], ' ', last - first);
else
break;
}
if (first)
{
*first = '\0';
puts(names_only);
}
else
puts("Buffer is too small.");
}
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