22 lines
430 B
C
22 lines
430 B
C
/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* $Header$ */
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#include <string.h>
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size_t
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strspn(const char *string, const char *in)
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{
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register const char *s1, *s2;
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for (s1 = string; *s1; s1++) {
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for (s2 = in; *s2 && *s2 != *s1; s2++)
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/* EMPTY */ ;
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if (*s2 == '\0')
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break;
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}
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return s1 - string;
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}
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