Home » Archimedes archive » Acorn User » AU 1994-10.adf » !Extras_Extras » CTutorial/c/HofLords
CTutorial/c/HofLords
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
Tape/disk: | Home » Archimedes archive » Acorn User » AU 1994-10.adf » !Extras_Extras |
Filename: | CTutorial/c/HofLords |
Read OK: | ✔ |
File size: | 054C bytes |
Load address: | 0000 |
Exec address: | 0000 |
File contents
/* Program HofLords, which declares a list of variables and */ /* assigns values to them. In other words, it does nothing */ /* in particular, and does it very well. */ /* by David Matthewmman */ main() { char c1,c2,c3,c4; int i1,i2,i3,i4; short int s1,s2; long int l1,l2; float f1,f2; double d1,d2,d3,d4; long double ld1,ld2; /* Character variables can also have integer values up to 255. */ c1 = 'c'; c2 = 105; c3 = '\n'; c4 = '\x3f'; /* The three types of integer variables are all the same size in */ /* Easy C's implementation. */ /* The cast to int for i3 is not necessary; it will be performed */ /* automatically, but serves as a reminder - likewise the l after */ /* l1 and l2. */ i1 = 100; i2 = -273; i3 = (int)26.57; i4 = 0x3ffa; s1 = -57; s2 = 2147483647; l1 = 100l; l2 = 2147483647L; /* In Easy C, double amd long double variables are the same size, */ /* and have twice the precision of float. Floating point numbers */ /* are assumed to be double, unless stated otherwise. */ f1 = 0.123456789f; f2 = 1.6e-19F; d1 = 0.123456789012345; d2 = -300e25; d3 = (double)256; d4 = 12.56E+160; ld1 = 0.123456789012345L; ld2=1e+100l; return 0; }
00000000 2f 2a 20 50 72 6f 67 72 61 6d 20 48 6f 66 4c 6f |/* Program HofLo| 00000010 72 64 73 2c 20 77 68 69 63 68 20 64 65 63 6c 61 |rds, which decla| 00000020 72 65 73 20 61 20 6c 69 73 74 20 6f 66 20 76 61 |res a list of va| 00000030 72 69 61 62 6c 65 73 20 61 6e 64 20 2a 2f 0a 2f |riables and */./| 00000040 2a 20 61 73 73 69 67 6e 73 20 76 61 6c 75 65 73 |* assigns values| 00000050 20 74 6f 20 74 68 65 6d 2e 20 49 6e 20 6f 74 68 | to them. In oth| 00000060 65 72 20 77 6f 72 64 73 2c 20 69 74 20 64 6f 65 |er words, it doe| 00000070 73 20 6e 6f 74 68 69 6e 67 20 20 2a 2f 0a 2f 2a |s nothing */./*| 00000080 20 69 6e 20 70 61 72 74 69 63 75 6c 61 72 2c 20 | in particular, | 00000090 61 6e 64 20 64 6f 65 73 20 69 74 20 76 65 72 79 |and does it very| 000000a0 20 77 65 6c 6c 2e 20 20 20 20 20 20 20 20 20 20 | well. | 000000b0 20 20 20 20 20 20 20 20 20 20 2a 2f 0a 2f 2a 20 | */./* | 000000c0 62 79 20 44 61 76 69 64 20 4d 61 74 74 68 65 77 |by David Matthew| 000000d0 6d 6d 61 6e 20 20 20 20 20 20 20 20 20 20 20 20 |mman | 000000e0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | 000000f0 20 20 20 20 20 20 20 20 20 2a 2f 0a 0a 6d 61 69 | */..mai| 00000100 6e 28 29 0a 7b 20 63 68 61 72 20 63 31 2c 63 32 |n().{ char c1,c2| 00000110 2c 63 33 2c 63 34 3b 0a 20 20 69 6e 74 20 69 31 |,c3,c4;. int i1| 00000120 2c 69 32 2c 69 33 2c 69 34 3b 0a 20 20 73 68 6f |,i2,i3,i4;. sho| 00000130 72 74 20 69 6e 74 20 73 31 2c 73 32 3b 0a 20 20 |rt int s1,s2;. | 00000140 6c 6f 6e 67 20 69 6e 74 20 6c 31 2c 6c 32 3b 0a |long int l1,l2;.| 00000150 20 20 66 6c 6f 61 74 20 66 31 2c 66 32 3b 0a 20 | float f1,f2;. | 00000160 20 64 6f 75 62 6c 65 20 64 31 2c 64 32 2c 64 33 | double d1,d2,d3| 00000170 2c 64 34 3b 0a 20 20 6c 6f 6e 67 20 64 6f 75 62 |,d4;. long doub| 00000180 6c 65 20 6c 64 31 2c 6c 64 32 3b 0a 0a 2f 2a 20 |le ld1,ld2;../* | 00000190 43 68 61 72 61 63 74 65 72 20 76 61 72 69 61 62 |Character variab| 000001a0 6c 65 73 20 63 61 6e 20 61 6c 73 6f 20 68 61 76 |les can also hav| 000001b0 65 20 69 6e 74 65 67 65 72 20 76 61 6c 75 65 73 |e integer values| 000001c0 20 75 70 20 74 6f 20 32 35 35 2e 20 20 20 20 20 | up to 255. | 000001d0 2a 2f 0a 20 20 63 31 20 3d 20 27 63 27 3b 20 63 |*/. c1 = 'c'; c| 000001e0 32 20 3d 20 31 30 35 3b 20 63 33 20 3d 20 27 5c |2 = 105; c3 = '\| 000001f0 6e 27 3b 20 63 34 20 3d 20 27 5c 78 33 66 27 3b |n'; c4 = '\x3f';| 00000200 0a 0a 2f 2a 20 54 68 65 20 74 68 72 65 65 20 74 |../* The three t| 00000210 79 70 65 73 20 6f 66 20 69 6e 74 65 67 65 72 20 |ypes of integer | 00000220 76 61 72 69 61 62 6c 65 73 20 61 72 65 20 61 6c |variables are al| 00000230 6c 20 74 68 65 20 73 61 6d 65 20 73 69 7a 65 20 |l the same size | 00000240 69 6e 20 20 20 2a 2f 0a 2f 2a 20 45 61 73 79 20 |in */./* Easy | 00000250 43 27 73 20 69 6d 70 6c 65 6d 65 6e 74 61 74 69 |C's implementati| 00000260 6f 6e 2e 20 20 20 20 20 20 20 20 20 20 20 20 20 |on. | 00000270 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | 00000280 20 20 20 20 20 20 20 20 20 20 20 2a 2f 0a 2f 2a | */./*| 00000290 20 54 68 65 20 63 61 73 74 20 74 6f 20 69 6e 74 | The cast to int| 000002a0 20 66 6f 72 20 69 33 20 69 73 20 6e 6f 74 20 6e | for i3 is not n| 000002b0 65 63 65 73 73 61 72 79 3b 20 69 74 20 77 69 6c |ecessary; it wil| 000002c0 6c 20 62 65 20 70 65 72 66 6f 72 6d 65 64 20 20 |l be performed | 000002d0 20 2a 2f 0a 2f 2a 20 61 75 74 6f 6d 61 74 69 63 | */./* automatic| 000002e0 61 6c 6c 79 2c 20 62 75 74 20 73 65 72 76 65 73 |ally, but serves| 000002f0 20 61 73 20 61 20 72 65 6d 69 6e 64 65 72 20 2d | as a reminder -| 00000300 20 6c 69 6b 65 77 69 73 65 20 74 68 65 20 6c 20 | likewise the l | 00000310 61 66 74 65 72 20 20 2a 2f 0a 2f 2a 20 6c 31 20 |after */./* l1 | 00000320 61 6e 64 20 6c 32 2e 20 20 20 20 20 20 20 20 20 |and l2. | 00000330 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | * 00000350 20 20 20 20 20 20 20 20 20 20 20 20 20 2a 2f 0a | */.| 00000360 20 20 69 31 20 3d 20 31 30 30 3b 20 69 32 20 3d | i1 = 100; i2 =| 00000370 20 2d 32 37 33 3b 20 69 33 20 3d 20 28 69 6e 74 | -273; i3 = (int| 00000380 29 32 36 2e 35 37 3b 20 69 34 20 3d 20 30 78 33 |)26.57; i4 = 0x3| 00000390 66 66 61 3b 0a 20 20 73 31 20 3d 20 2d 35 37 3b |ffa;. s1 = -57;| 000003a0 20 73 32 20 3d 20 32 31 34 37 34 38 33 36 34 37 | s2 = 2147483647| 000003b0 3b 0a 20 20 6c 31 20 3d 20 31 30 30 6c 3b 20 6c |;. l1 = 100l; l| 000003c0 32 20 3d 20 32 31 34 37 34 38 33 36 34 37 4c 3b |2 = 2147483647L;| 000003d0 0a 0a 2f 2a 20 49 6e 20 45 61 73 79 20 43 2c 20 |../* In Easy C, | 000003e0 64 6f 75 62 6c 65 20 61 6d 64 20 6c 6f 6e 67 20 |double amd long | 000003f0 64 6f 75 62 6c 65 20 76 61 72 69 61 62 6c 65 73 |double variables| 00000400 20 61 72 65 20 74 68 65 20 73 61 6d 65 20 73 69 | are the same si| 00000410 7a 65 2c 20 20 2a 2f 0a 2f 2a 20 61 6e 64 20 68 |ze, */./* and h| 00000420 61 76 65 20 74 77 69 63 65 20 74 68 65 20 70 72 |ave twice the pr| 00000430 65 63 69 73 69 6f 6e 20 6f 66 20 66 6c 6f 61 74 |ecision of float| 00000440 2e 20 46 6c 6f 61 74 69 6e 67 20 70 6f 69 6e 74 |. Floating point| 00000450 20 6e 75 6d 62 65 72 73 20 20 20 2a 2f 0a 2f 2a | numbers */./*| 00000460 20 61 72 65 20 61 73 73 75 6d 65 64 20 74 6f 20 | are assumed to | 00000470 62 65 20 64 6f 75 62 6c 65 2c 20 75 6e 6c 65 73 |be double, unles| 00000480 73 20 73 74 61 74 65 64 20 6f 74 68 65 72 77 69 |s stated otherwi| 00000490 73 65 2e 20 20 20 20 20 20 20 20 20 20 20 20 20 |se. | 000004a0 20 2a 2f 0a 20 20 66 31 20 3d 20 30 2e 31 32 33 | */. f1 = 0.123| 000004b0 34 35 36 37 38 39 66 3b 20 66 32 20 3d 20 31 2e |456789f; f2 = 1.| 000004c0 36 65 2d 31 39 46 3b 0a 20 20 64 31 20 3d 20 30 |6e-19F;. d1 = 0| 000004d0 2e 31 32 33 34 35 36 37 38 39 30 31 32 33 34 35 |.123456789012345| 000004e0 3b 20 64 32 20 3d 20 2d 33 30 30 65 32 35 3b 0a |; d2 = -300e25;.| 000004f0 20 20 64 33 20 3d 20 28 64 6f 75 62 6c 65 29 32 | d3 = (double)2| 00000500 35 36 3b 20 64 34 20 3d 20 31 32 2e 35 36 45 2b |56; d4 = 12.56E+| 00000510 31 36 30 3b 0a 20 20 6c 64 31 20 3d 20 30 2e 31 |160;. ld1 = 0.1| 00000520 32 33 34 35 36 37 38 39 30 31 32 33 34 35 4c 3b |23456789012345L;| 00000530 20 6c 64 32 3d 31 65 2b 31 30 30 6c 3b 0a 0a 20 | ld2=1e+100l;.. | 00000540 20 72 65 74 75 72 6e 20 30 3b 0a 7d | return 0;.}| 0000054c