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#include "etc.h"
int Error(char * funcname, char * message)
{
fprintf(stderr, "Error in %s:%s\n", funcname, message);
exit (1);
}
void InitializeRand()
{
srand((unsigned)time(NULL));
}
int Rand(int n)
{
#if 1
return (rand() % n);
#else
return (rand() / (RAND_MAX / n + 1));
#endif
}
double DoubleRand(double d)
{
return ((double)Rand(10001) / 10000.0 * d);
}
/* #include <string.h> ʤΤ #include <strings.h> ʤΤ */
/* ꤬ܿäΤǡstrdup() strcpy() strcpy() Ȥ鷺 */
/* ȼ˽ */
int StringLen(char * str)
{
int i;
for (i = 0; str[i] != '\0'; i++) { /* None */ }
return (i);
}
int StringCpy(char * dst, char * src)
{
int i;
for (i = 0; src[i] != '\0'; i++) { dst[i] = src[i]; }
dst[i] = '\0';
return (i);
}
int StringCat(char * dst, char * src)
{
return (StringCpy(dst + StringLen(dst), src));
}
int StringCmp(char * str1, char * str2)
{
int i = 0;
while (1) {
if ( (str1[i] == '\0') && (str2[i] == '\0') ) return (0);
if (str1[i] == '\0') return (-1);
if (str2[i] == '\0') return ( 1);
if (str1[i] > str2[i]) return ( 1);
if (str1[i] < str2[i]) return (-1);
i++;
}
}
int StringEqual(char * str1, char * str2)
{
return (!StringCmp(str1, str2));
}
/* End of Program */
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