test

#include <stdio.h> #include<ctype.h> #define MAXLINE 100 main() { int getline(char[],int max); double sum, atof(char []);

char line[MAXLINE];
sum = 0;
while ((getline(line, MAXLINE)) > 0)
	printf("\t%g\n", sum += atof(line));
return 0;

} double atof(char s[]) { int i, sign; double val, power; for (i = 0; isspace(s[i]); i++) ; sign = (s[i] == '-')? -1 : 1; if (s[i] == '+' || s[i] == '-') i++; for (val = 0.0; isdigit(s[i]); i++) val = 10.0 * val+ (s[i] - '0'); if (s[i] == '.') i++; for (power = 1.0; isdigit(s[i]); i++) { val = 10.0 * val+ (s[i] - '0'); power *= 10.0; }

return sign * val / power;

} int getline(char s[], int lim) { int c, i; i = 0; while ((c = getchar()) != EOF && --lim > 0 && c != '\n') s[i++] = c; if (s[i] = '\n') s[i++] = c; s[i] = '\0'; return i; }