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cã«é–¢ã™ã‚‹yuanyingã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (8)

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ä¾‹ãˆè©±ã‚’ã—ãªã„Cè¨€èªžã®ãƒã‚¤ãƒ³ã‚¿ã®èª¬æ˜Ž | å³ã‚„å·¦ã®æ—¦é‚£æ§˜
ã¾ãˆãŠã å··ã§ã¯ã€Œãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã«ãªã‚ŠãŸã„äººã«åˆå¦è€…ã«ã¨ã£ã¦ã€ãƒã‚¤ãƒ³ã‚¿ã¨ã„ã†è€ƒãˆæ–¹ãŒã‚ã‘ã‚ã‹ã‚ã€ã¨ã„ã†è©±ãŒã‚ˆãã‚ã‚Šã¾ã™ã€‚ ãã“ã§ã„ã‚ã„ã‚ãªäººãŒã€Œãƒã‚¤ãƒ³ã‚¿ã¯ä½æ‰€ã ã€ã¨ã‹ã€Œå¤‰æ•°ãŒãƒã‚³ã§ã€ã¨ã‹æ‰‹ã‚’å¤‰ãˆå“ã‚’å¤‰ãˆåˆ†ã‹ã‚Šã‚„ã™ã„ã‚ˆã†ã«èª¬æ˜Žã—ã¦ãã‚Œã¦ã„ã¾ã™ã€‚ ãã‚Œã§ã‚‚ãªãŠã€Œãƒã‚¤ãƒ³ã‚¿ãŒã‚ã‹ã‚Šã¥ã‚‰ã„ã€ã¨ã„ã†äººãŒå¾Œã‚’çµ¶ã¡ã¾ã›ã‚“ã€‚ ã‚‚ã†ã„ã£ãã®ã“ã¨ã€ä¾‹ãˆè©±ã‚’ã‚„ã‚ã¦ãƒ‰ç›´çƒã§æ”»ã‚ãŸã‚‰ã„ã„ã‚“ã˜ã‚ƒãªã„ã§ã—ã‚‡ã†ã‹ã€‚ Hello, Worldã‚ˆã‚Šç°¡å˜ã« ã‚µãƒ³ãƒ—ãƒ«ã‚³ãƒ¼ãƒ‰ ä»¥ä¸‹ã®ã‚³ãƒ¼ãƒ‰ã‚’è€ƒãˆã¾ã™ã€‚ void main() { int a; int b; int c; a = 1; b = 2; c = a + b; } ã€Œ#include <stdio.h>ã€ãªã‚“ã¦ã„ã†è¬Žã®ã‚ªãƒžã‚¸ãƒŠã‚¤ã¯ã“ã®éš›ãƒŠã‚·ã§ã™ã€‚ã‚ã‚“ãªã‚‚ã®ç„¡ããŸã£ã¦Cè¨€èªžã¯æˆã‚Šç«‹ã¡ã¾ã™ã€‚ ã¾ãè¦‹ã¦ã®é€šã‚Šã€ã©ã“ã«ã‚‚ä½•ã‚‚å‡ºåŠ›ã•ã‚Œã¾ã›ã‚“ãŒã€‚ ã“ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ã€ã€Œc = a + bã€
yuanying 2018/02/01
c

program
ãƒªãƒ³ã‚¯
10é€²æ•°ã‚’2é€²æ•°ã«å¤‰æ›è¡¨ç¤ºã™ã‚‹Cè¨€èªžãƒ—ãƒã‚°ãƒ©ãƒ
ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ // filename: dtob.c // convert decimal to binary #include <stdio.h> const int BitSize = sizeof(int) * 8; // æ•´æ•°åž‹ã®ãƒ“ãƒƒãƒˆã‚µã‚¤ã‚ºã‚’ç®—å‡º void dtob(int x) { int bit = 1, i; char c[BitSize]; for (i = 0; i < BitSize; i++) { if (x & bit) c[i] = '1'; else c[i] = '0'; bit <<= 1; } // è¨ˆç®—çµæžœã®è¡¨ç¤º printf("2é€²æ•°: "); for ( i = BitSize - 1; i >= 0; i-- ) { putchar(c[i]); } printf("\n"); } int main() { int
yuanying 2008/12/06
c
ãƒªãƒ³ã‚¯
JavaScriptCore (Safari ã® JavaScript ã‚¨ãƒ³ã‚¸ãƒ³) ã‚’ä½¿ã£ã¦ C è¨€èªžã‹ã‚‰ JavaScript ã‚’å®Ÿè¡Œã™ã‚‹ - ITæˆ¦è¨˜
ã¯ã˜ã‚ã« JavaScriptCore (WebKit/Safari ã® JavaScript ã‚¨ãƒ³ã‚¸ãƒ³) ã‚’ C è¨€èªžã«çµ„è¾¼ã‚€æ–¹æ³•ã‚’èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ è§£èª¬ã¯ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ä¸ã®ã‚³ãƒ¡ãƒ³ãƒˆã‚’è¦‹ã¦ãã ã•ã„ã€‚ ã¾ãš ä»¥ä¸‹ã®ã‚³ãƒ¼ãƒ‰ã‚’ hoge.c ã¨ã‹ã„ã†åå‰ã§ä¿å˜ã—ã¾ã™ã€‚ #include <JavaScriptCore/JavaScriptCore.h> static JSValueRef jsGlobalPrint( JSContextRef ctx, JSObjectRef jobj, JSObjectRef jobjThis, size_t argLen, const JSObjectRef args[], JSValueRef* jobjExp); int main(int argc, char** argv) { if (argc == 1) exit(0); // ---- ã‚°ãƒãƒ¼ãƒãƒ«
yuanying 2008/06/10
javascript

c

mac
ãƒªãƒ³ã‚¯
ãƒã‚¤ãƒˆã‚ªãƒ¼ãƒ€ãƒ¼
ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã¨ç§ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®å»ºç¯‰ã‚’è€ƒãˆãŸæ™‚ã€å…¨ã¦ã®é–‹ç™ºè€…ãŒã¶ã¤ã‹ã‚‹å•é¡ŒãŒã‚ã‚Šã¾ã™ ãã‚Œã¯ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ä¸Šã«ã¯ã©ã®ã‚ˆã†ãªã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãŒå˜åœ¨ã™ã‚‹ã‹ã‚ã‹ã‚‰ãªã„ã¨ã„ã†ã“ã¨ã§ã™ ã—ã‹ã—ã€ã‚µãƒ¼ãƒãƒ¼ã¯ç›¸æ‰‹ãŒèª°ã§ã‚ã‚Œæ£ã—ã„çµæžœã‚’å‡ºã•ãªã‘ã‚Œã°ãªã‚Šã¾ã›ã‚“ äººç¨®å·®åˆ¥ãŒæ‚ªã§ã‚ã‚‹ã‚ˆã†ã«ã€æ©Ÿç¨®å·®åˆ¥ã‚‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®ä¸–ç•Œã§ã¯æ‚ªãªã®ã§ã™ ãã“ã§ã€æœ€åˆã«å•é¡Œã¨ãªã£ãŸã®ãŒãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒã‚¤ãƒˆã‚ªãƒ¼ãƒ€ãƒ¼ã§ã™ ãƒ¯ãƒ¼ãƒ‰å˜ä½ã®æƒ…å ±ã‚’ãƒ“ãƒƒã‚°ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³ã¨ã™ã‚‹ã‹ãƒªãƒˆãƒ«ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³ã¨ã™ã‚‹ã‹ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ä¸Šã®æ¨™æº–ã¯ã©ã¡ã‚‰ã§ã‚ã‚‹ã‹ã¨ã„ã†å•é¡Œã§ã™ ç¾ä»£ã€å¤šãã®ãƒ‘ãƒ¼ã‚½ãƒŠãƒ«ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿å¸‚å ´ã¯ Intel ã¨ãã®äº’æ›ãƒ—ãƒã‚»ãƒƒã‚µã«æ”¯é…ã•ã‚Œ ãã®æ€§è³ªã¯ã€ä¸‹ä½ãƒã‚¤ãƒˆã‹ã‚‰é †ã«ãƒ¡ãƒ¢ãƒªã«é…ç½®ã™ã‚‹ãƒªãƒˆãƒ«ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³å½¢å¼ã§ã™ ã‚¢ã‚»ãƒ³ãƒ–ãƒªçµŒé¨“è€…ã¯ç†è§£ã—ã¦ã„ã‚‹ã¨æ€ã„ã¾ã™ãŒã€Intel ã® x86 ãƒ—ãƒã‚»ãƒƒã‚µã¯ 0xABCD ã¨ã„ã†ãƒ¯ãƒ¼ãƒ‰é•·ã®ãƒ‡ãƒ¼ã‚¿ã‚’ 0xC
yuanying 2008/01/17
endian

c

cpp

objective-c
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ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³ - MacWiki
ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³[ç·¨é›†] å¤šãƒã‚¤ãƒˆæ•°å€¤ãƒ‡ãƒ¼ã‚¿ã®ãƒã‚¤ãƒŠãƒªãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã¯ã€ä¸»ã«æ¬¡ã®ï¼’é€šã‚Šã«å¤§åˆ¥ã•ã‚Œã‚‹ã€‚ ãƒªãƒˆãƒ«ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³[ç·¨é›†] x86ã€AMD64 float0 å½¢å¼ã¨ã‚‚ http://e-words.jp/w/E383AAE38388E383ABE382A8E383B3E38387E382A3E382A2E383B3.html ãƒ“ãƒƒã‚°ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³[ç·¨é›†] PowerPCï¼ˆPowerPC è‡ªä½“ã¯ãƒªãƒˆãƒ«ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³ã«ã‚‚å¯¾å¿œã—ã¦ã„ã‚‹ãŒã€Mac OS X ã‚„ Linux ä¸Šã§ã¯ãƒ“ãƒƒã‚°ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³ã§ã‚ã‚‹ï¼‰ float1 å½¢å¼ã¨ã‚‚ http://e-words.jp/w/E38393E38383E382B0E382A8E383B3E38387E382A3E382A2E383B3.html è¦‹åˆ†ã‘æ–¹[ç·¨é›†] æ¬¡ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®Ÿè¡Œã—ã¦ã€çµæžœãŒ 0x78 â†’ ãƒªãƒˆãƒ«ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³ã€0x12 â†’ ãƒ“ãƒƒã‚°ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢
yuanying 2008/01/11
c

endian
ãƒªãƒ³ã‚¯
swab (swap bytes)
ãƒã‚¤ãƒˆã‚ªãƒ¼ãƒ€ã®å¤‰æ›æ–¹æ³• x86 ç³»ã® CPU ã§ã¯ï¼Œ æœ€ä¸‹ä½ãƒã‚¤ãƒˆãŒæœ€åˆã®ã‚¢ãƒ‰ãƒ¬ã‚¹ã«ï¼Œæœ€ä¸Šä½ãƒã‚¤ãƒˆãŒæœ€å¾Œã®ã‚¢ãƒ‰ãƒ¬ã‚¹ã«è¨˜æ†¶ã•ã‚Œã¾ã™ã€‚ ã€Œé€†é †ã€ï¼ŒLSB First (Least Significant Byte First)ï¼ŒLittle Endian ãªã©ã¨è¨€ã‚ã‚Œã¦ã„ã¾ã™ã€‚ é€†ã«å¤šãã® RISC CPU (SPARC, ,PPC, 68k ãªã©)ã§ã¯ï¼Œ æœ€ä¸Šä½ãƒã‚¤ãƒˆãŒæœ€åˆã®ã‚¢ãƒ‰ãƒ¬ã‚¹ã«ï¼Œæœ€ä¸‹ä½ãƒã‚¤ãƒˆãŒæœ€å¾Œã®ã‚¢ãƒ‰ãƒ¬ã‚¹ã«è¨˜æ†¶ã•ã‚Œã¾ã™ã€‚ ã€Œæ£é †ã€ï¼ŒMSB First (Most Significant Byte First)ï¼ŒBig Endian ãªã©ã¨è¨€ã‚ã‚Œã¦ã„ã¾ã™ã€‚ æ•°å€¤ æ£é † é€†é † char 12 12 12 int 1234 12 34 34 12 long 12345678 12 34 56 78 78 56 34 12 ãƒã‚¤ãƒˆã‚ªãƒ¼ãƒ€ã®ç¢ºèªæ–¹æ³• ä¾‹ #include <stdio.h>
yuanying 2008/01/11
cè¨€èªžã§ã®ã‚¨ãƒ³ãƒ‡ã‚£ã‚¢ãƒ³å¤‰æ›æ–¹æ³•

c

endian
ãƒªãƒ³ã‚¯
Uncrustify - Source Code Beautifier for C-like languages
Source Code Beautifier for C, C++, C#, ObjectiveC, D, Java, Pawn and VALA Introduction The goals of this project are simple: Create a highly configurable, easily modifiable source code beautifier. Features Indent code, aligning on parens, assignments, etc Align on '=' and variable definitions Align structure initializers Align #define stuff Align backslash-newline stuff Reformat comments (a little
yuanying 2008/01/06
cpp

c

java

objective-c
ãƒªãƒ³ã‚¯
ã‚µãƒ¼ãƒ“ã‚¹çµ‚äº†ã®ãŠçŸ¥ã‚‰ã›
ã‚µãƒ¼ãƒ“ã‚¹çµ‚äº†ã®ãŠçŸ¥ã‚‰ã› ã„ã¤ã‚‚Yahoo! JAPANã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’ã”åˆ©ç”¨ã„ãŸã ãèª ã«ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ ãŠå®¢æ§˜ãŒã‚¢ã‚¯ã‚»ã‚¹ã•ã‚ŒãŸã‚µãƒ¼ãƒ“ã‚¹ã¯æœ¬æ—¥ã¾ã§ã«ã‚µãƒ¼ãƒ“ã‚¹ã‚’çµ‚äº†ã„ãŸã—ã¾ã—ãŸã€‚ ä»Šå¾Œã¨ã‚‚Yahoo! JAPANã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’ã”æ„›é¡§ãã ã•ã„ã¾ã™ã‚ˆã†ã€ã‚ˆã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚
yuanying 2007/12/11
c
ãƒªãƒ³ã‚¯
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