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1 perry 1 STPNCPY
2 !!!STPNCPY
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 RETURN VALUE
7 CONFORMING TO
8 SEE ALSO
9 ----
10 !!NAME
11
12
13 stpncpy - copy a fixed-size string, returning a pointer to its end
14 !!SYNOPSIS
15
16
17 __#include
18 __''dest''__, const char *__''src''__, size_t__ ''n''__);
19 __
20 !!DESCRIPTION
21
22
23 The __stpncpy__ function copies at most ''n''
24 characters from the string pointed to by ''src'',
25 including the terminating '0' character, to the array
26 pointed to by ''dest''. Exactly ''n'' characters are
27 written at ''dest''. If the length ''strlen(src)'' is
28 smaller than ''n'', the remaining characters in the array
29 pointed to by ''dest'' are filled with '0' characters. If
30 the length ''strlen(src)'' is greater or equal to
31 ''n'', the string pointed to by ''dest'' will not be
32 '0' terminated.
33
34
35 The strings may not overlap.
36
37
38 The programmer must ensure that there is room for at least
39 ''n'' characters at ''dest''.
40 !!RETURN VALUE
41
42
43 __stpncpy__ returns a pointer to the terminating null in
44 ''dest'', or, if ''dest'' is not null-terminated,
45 ''dest + n''.
46 !!CONFORMING TO
47
48
49 This function is a GNU extension.
50 !!SEE ALSO
51
52
53 strncpy(3)
54 ----
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