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/* ts.c: minor string processing subroutines */
#include "t.h"
int
match (char *s1, char *s2)
{
while (*s1 == *s2)
if (*s1++ == '\0')
return(1);
else
s2++;
return(0);
}
int
prefix(char *small, char *big)
{
int c;
while ((c = *small++) == *big++)
if (c == 0)
return(1);
return(c == 0);
}
int
letter (int ch)
{
if (ch >= 'a' && ch <= 'z')
return(1);
if (ch >= 'A' && ch <= 'Z')
return(1);
return(0);
}
int
numb(char *str)
{
/* convert to integer */
int k;
for (k = 0; *str >= '0' && *str <= '9'; str++)
k = k * 10 + *str - '0';
return(k);
}
int
digit(int x)
{
return(x >= '0' && x <= '9');
}
int
max(int a, int b)
{
return( a > b ? a : b);
}
void
tcopy (char *s, char *t)
{
while (*s++ = *t++)
;
}
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