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c語(yǔ)言將字符轉(zhuǎn)換成數(shù)字 所有字符串轉(zhuǎn)化為數(shù)字的c語(yǔ)言函數(shù)?

所有字符串轉(zhuǎn)化為數(shù)字的c語(yǔ)言函數(shù)?Atof(將字符串轉(zhuǎn)換為浮點(diǎn))ATOI(將字符串轉(zhuǎn)換為整數(shù))Atol(將字符串轉(zhuǎn)換為長(zhǎng)整數(shù))strtod(將字符串轉(zhuǎn)換為浮點(diǎn))strtol(將字符串轉(zhuǎn)換為長(zhǎng)整數(shù))st

所有字符串轉(zhuǎn)化為數(shù)字的c語(yǔ)言函數(shù)?

Atof(將字符串轉(zhuǎn)換為浮點(diǎn))

ATOI(將字符串轉(zhuǎn)換為整數(shù))

Atol(將字符串轉(zhuǎn)換為長(zhǎng)整數(shù))

strtod(將字符串轉(zhuǎn)換為浮點(diǎn))

strtol(將字符串轉(zhuǎn)換為長(zhǎng)整數(shù))

strtoul(將字符串轉(zhuǎn)換為無符號(hào)長(zhǎng)整數(shù))

toascii(將整數(shù)轉(zhuǎn)換為合法ASCII)C語(yǔ)言有ATOI,Atol、atof等庫(kù)函數(shù),可以分別將ASCII編碼的字符串轉(zhuǎn)換成int、long、float類型的數(shù)字。頭文件:stdlib。H函數(shù)原型:int ATOI(const char*NPT R)(其他兩個(gè)類似)例如:char*STR=“123”int num=ATOI(STR),執(zhí)行后num初始化為123