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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_200
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223_01
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atoi.c
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1980-01-01
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18 lines
#define NOCCARGC /* no argument count passing */
/*
** atoi(s) - convert s to integer.
*/
static int sign, n;
atoi(s) char *s; {
while(isspace(*s)) ++s;
sign = 1;
switch(*s) {
case '-': sign = -1;
case '+': ++s;
}
n = 0;
while(isdigit(*s)) n = 10 * n + *s++ - '0';
return (sign * n);
}