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#if 0
#include <string.h>
/** concatenate strings **/
errno_t strcat_s(char * restrict s1, rsize_t s1max, const char * restrict s2)
{
__C_EXT(1, 201112L);
__ASSERT_NONNULL(s1);
__ASSERT_NONNULL(s2);
__ASSERT_NOOVERLAP(s1, s2, strlen(s1) + strlen(s2));
return strncat(s1, s2, strlen(s2));
}
/***
The fn(strcat) function appends a copy of the string at arg(s2) to the end of
the string at arg(s1). The first byte of arg(s2) will overwrite the terminating
null character of arg(s1).
***/
/* UNSPECIFIED: - */
/* UNDEFINED: if arg(s1) and arg(s2) overlap */
/* IMPLEMENTATION: - */
/* LOCALE: - */
/* RETURN: the value of arg(s1) */
/*
CEXT1(201112)
*/
#endif
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