18 lines
586 B
C
18 lines
586 B
C
#include <stdio.h>
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#include <string.h>
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int main()
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{
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char ask_name[32] = "Jack"; // 结果是 "Jack\0"
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printf("%s\n", ask_name);
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// sizeof() 统计变量或数组实际分配的内存空间大小，单位是字节
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printf("ask_name size is %ldB\n", sizeof(ask_name));
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// strlen() 函数统计有效的字符个数，不包括 '\0' (遇到第一个 '\0' 就停止统计 )
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printf("ask_name char len is %ld\n", strlen(ask_name));
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char q_what1[128] = "hi,xiao hua\0,love you!";
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printf("%s\n", q_what1);
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printf("%ld \n", strlen(q_what1));
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return 0;
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} |