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| scan_ip4(3) | FreeBSD Library Functions Manual | scan_ip4(3) |
NAME
scan_ip4 - parse an IPv4 number in dotted-decimal notationSYNTAX
#include <libowfat/ip4.h>int scan_ip4(const char *src,char ip[4]);
DESCRIPTION
scan_ip4 parses an IPv4 number in dotted-decimal ASCII representation from src and writes the result into ip. It returns the number of bytes read from src or 0 if the parsing failed.Unlike many other IP parsing routines, scan_ip4 does not recognize octal (like 0177.0.0.1) or hexadecimal numbers (like 0x7f000001).
EXAMPLE
#include <libowfat/str.h>#include <libowfat/ip4.h>
char buf[]="160.45.40.10"; char ip[4]; if (scan_ip4(buf,ip) != str_len(buf)) parse_error();
SEE ALSO
fmt_ip4(3), scan_ip6(3), inet_pton(3)
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