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Copyright 1991 David Jurgens |
double strtod( const char *str, char **endptr )
- prototype in string.h
- converts string str to a double value
- stops reading at tfirst character that cannot be interpreted
as part of a double value, returning in *endptr
- str must have format:
[ws][sn][ddd][.][ddd][fmt[sn]ddd]
where [ws] = optional whitespace
[sn] = optional sign (+-)
[ddd] = optional digits
[fmt] = option e or E
[.] = optional decimal point
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strtod |
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