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Line 45... Line 45...
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/** Return number of characters in a string.
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/** Return number of characters in a string.
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 *
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 *
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 * @param str NULL terminated string.
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 * @param str NULL terminated string.
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 *
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 *
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 * @return Number of characters in str.
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 * @return Number of characters in str.
- 
 
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 *
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 */
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 */
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size_t strlen(const char *str)
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size_t strlen(const char *str)
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{
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{
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    int i;
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    int i;
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    for (i = 0; str[i]; i++)
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    for (i = 0; str[i]; i++);
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        ;
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    return i;
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    return i;
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}
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}
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/** Compare two NULL terminated strings
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/** Compare two NULL terminated strings
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        if (*src > *dst)
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        if (*src > *dst)
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            return 1;
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            return 1;
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    }
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    }
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    if (*src == *dst)
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    if (*src == *dst)
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        return 0;
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        return 0;
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    if (!*src)
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    if (!*src)
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        return -1;
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        return -1;
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    return 1;
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    return 1;
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}
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}
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/** Compare two NULL terminated strings
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/** Compare two NULL terminated strings
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    unsigned int i;
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    unsigned int i;
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    for (i = 0; (*src) && (*dst) && (i < len); src++, dst++, i++) {
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    for (i = 0; (*src) && (*dst) && (i < len); src++, dst++, i++) {
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        if (*src < *dst)
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        if (*src < *dst)
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            return -1;
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            return -1;
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        if (*src > *dst)
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        if (*src > *dst)
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            return 1;
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            return 1;
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    }
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    }
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    if (i == len || *src == *dst)
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    if (i == len || *src == *dst)
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        return 0;
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        return 0;
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    if (!*src)
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    if (!*src)
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        return -1;
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        return -1;
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    return 1;
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    return 1;
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}
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}
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 * last copied character.
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 * last copied character.
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 *
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 *
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 * @param src Source string.
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 * @param src  Source string.
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 * @param dest Destination buffer.
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 * @param dest Destination buffer.
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 * @param len Size of destination buffer.
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 * @param len  Size of destination buffer.
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 *
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 */
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 */
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void strncpy(char *dest, const char *src, size_t len)
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void strncpy(char *dest, const char *src, size_t len)
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{
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{
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    unsigned int i;
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    unsigned int i;
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 * @return  Pointer to character in @a s or NULL if not found.
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 * @return Pointer to character in @a s or NULL if not found.
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 */
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 */
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extern char *strchr(const char *s, int i)
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extern char *strchr(const char *s, int i)
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{
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{
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    while (*s != '\0') {
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    while (*s != '\0') {
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        if (*s == i)
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        if (*s == i) return (char *) s;
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            return (char *) s;
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        ++s;
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        ++s;
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    }
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    }
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    return NULL;
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    return NULL;
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}
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}