13 lines
271 B
C
13 lines
271 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, const char *argv[])
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{
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char *p = "120";
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printf("%ld\n", atol(p)); // atol: 转换成长整型
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p = "12.3";
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printf("%.2f\n", atof(p)); // atof: 转换成浮点数
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return 0;
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}
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