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ATOF

Section: Linux Programmer's Manual (3)
Updated: March 29, 1993
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atof - ʸ»úÎó¤òdouble·¿¤Î¿ôÃͤËÊÑ´¹  

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#include <stdlib.h>

double atof(const char *nptr);
 

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atof()´Ø¿ô¤Ï¡¢nptr¤Ë¤è¤Ã¤Æ»Ø¼¨¤µ¤ì¤ëʸ»úÎó¤Î¤Ï¤¸¤á¤ÎÉôʬ¤ò double·¿¤Î¿ôÃͤËÊÑ´¹¤¹¤ë¡£ ¤³¤Î¿¶¤ëÉñ¤¤¤Ï¡¢ atof()´Ø¿ô¤¬¥¨¥é¡¼¤ò¸«¤Ä¤±¤Ê¤¤¤³¤È¤ò½ü¤¤¤Æ¤Ï¡¢

strtod(nptr, (char **)NULL);

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SVID 3, POSIX, BSD 4.3, ISO 9899  

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atoi(3), atol(3), strtod(3), strtol(3), strtoul(3)


 

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