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Rev 1574 Rev 1575
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/*****************************************************************************
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/*****************************************************************************
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 * functions                                                                 *
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 * functions                                                                 *
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 *****************************************************************************/
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 *****************************************************************************/
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static size_t strlen(const char *s) {
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  const char *ptr = s;
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  while (*ptr != 0) ptr++;
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  return(ptr - s);
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}
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static void bzero(void *ptr, size_t len) {
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  char *p = ptr;
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  while (len > 0) {
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    *p = 0;
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    p++;
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    len--;
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  }
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}
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/* TODO this function does not handle overlapping strings well! */
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static void fmemmove(void far *dst, const void far *src, size_t len) {
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  while (len-- > 0) {
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    *(char far *)dst = *(char far *)src;
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    dst = (char far *)dst + 1;
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    src = (char far *)src + 1;
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  }
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}
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static struct line far *line_calloc(unsigned short siz) {
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static struct line far *line_calloc(unsigned short siz) {
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  struct line far *res;
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  struct line far *res;
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  unsigned short seg;
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  unsigned short seg;
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  seg = dosalloc((sizeof(struct line) + siz + 15) / 16);
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  seg = dosalloc((sizeof(struct line) + siz + 15) / 16);