32 lines
510 B
C
32 lines
510 B
C
#include <lib/string.h>
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//TODO: asm ?
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char *strchr(const char *s1, int c)
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{
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int i = -1;
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while (s1[++i] != '\0' && s1[i] != c);
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return ((s1[i] == '\0') ? NULL : (void*)&s1[i]);
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}
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//TODO: asm ?
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char *strchrnul(const char *s1, int c)
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{
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int i = -1;
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while (s1[++i] != '\0' && s1[i] != c);
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return ((void*)&s1[i]);
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}
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//TODO asm ?
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char *strrchr(const char *s1, int c)
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{
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void *saved;
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saved = NULL;
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for (int i = 0 ; s1[i] != '\0' ; i++)
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{
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if (s1[i] == c)
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saved = (void *)&s1[i];
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}
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return (saved);
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}
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