ack/lang/fortran/lib/libF77/s_cmp.c

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1991-10-07 16:59:33 +00:00
#include "f2c.h"
integer s_cmp(a, b, la, lb) /* compare two strings */
register char *a, *b;
long int la, lb;
{
register char *aend, *bend;
aend = a + la;
bend = b + lb;
if(la <= lb)
{
while(a < aend)
if(*a != *b)
return( *a - *b );
else
{ ++a; ++b; }
while(b < bend)
if(*b != ' ')
return( ' ' - *b );
else ++b;
}
else
{
while(b < bend)
if(*a == *b)
{ ++a; ++b; }
else
return( *a - *b );
while(a < aend)
if(*a != ' ')
return(*a - ' ');
else ++a;
}
return(0);
}