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UTOI.C
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1987-10-04
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384b
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16 lines
#include stdio.h
/*
** utoi -- convert unsigned decimal string to integer nbr
** returns field size, else ERR on error
*/
utoi(decstr, nbr) char *decstr; int *nbr; {
int d,t; d=0;
*nbr=0;
while((*decstr>='0')&(*decstr<='9')) {
t=*nbr;t=(10*t) + (*decstr++ - '0');
if ((t>=0)&(*nbr<0)) return ERR;
d++; *nbr=t;
}
return d;
}