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gcc 気になる関数 :: snprintf

テスト用ソース main() { char buff[100]="012345678901234567890"; snprintf(buff,5,"%s","aa"); printf("%s\n",buff); snprintf(buff,5,"%s","bbb"); printf("%s\n",buff); snprintf(buff,5,"%s","cccc"); printf("%s\n",buff); snprintf(buff,5,"%s","abcde"); printf("%s\n",buff); snprintf(buff,5,"%s","gggggg"); printf("%s\n",buff); } 実行結果 aa bbb cccc abcd gggg

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