{ border = 1 '''Time''' '''Narration''' 00:01 '''String Library Functions in C'''ꯒ spoken-tutorialꯗ ꯊꯈ ꯝꯄ ꯑꯅꯛꯆꯈ 00:07 Tutorial ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ ꯊꯝꯒꯄ 00:09 String Library Functionꯉ ꯡ 00:11 ꯃꯉ ꯑ ꯈꯅꯏꯄ ꯈꯋꯗꯝ ꯈꯈꯒ ꯃꯊ ꯡꯄ ꯆ ꯡꯊꯅꯛꯀꯄ 00:15 tutorial ꯑꯉ record ꯊꯟꯄꯕ, ꯑ ꯍ ꯛꯄ ꯉ ꯖ ꯞꯄꯈ
00:18 '''Ubuntu Operating System''' version 11.10, 00:22 '''gcc Compiler''' Version 4.6.1. 00:27 string library functionꯉ ꯡꯕꯋ ꯃꯉꯛ ꯊ ꯛꯆꯒ ꯂꯅꯏꯄꯄ ꯑ ꯈꯅꯏ ꯍꯟꯈꯉ 00:31 ꯃꯈꯅꯏꯉ ꯡ ꯑꯉ stringꯉ ꯡꯗ operationꯉ ꯡ ꯊꯕꯛ ꯊꯅꯛꯍꯜꯂ ꯕ functionꯉ ꯡꯒ groupꯄ 00:36 copying, concatenation, searching ꯑꯉ ꯄ ꯆ ꯡꯕ ꯃꯈꯜ ꯃꯈ ꯌ ꯝꯂꯕ operationꯉ ꯡ support ꯊꯟꯋ
00:44 string library function ꯈꯈ ꯑ ꯈꯅꯏ ꯌ ꯡꯂꯉ 00:48 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ '''strncpy''' function ꯂ ꯈ 00:52 ꯃꯉ ꯒ syntax ꯑꯉ '''strncpy (char str1, char str2, and int n ); '''ꯄ 01:02 ꯃꯉ ꯄ string '''str2'''ꯒ ꯑꯍ ꯞꯕ n characterꯉ ꯡ ꯑꯗꯋ string '''str1'''ꯒ ꯃꯄꯋꯡꯗ copy ꯊꯟꯋ 01:09 example, '''char strncpy( char hello, char world, 2);'''
01:16 outputꯊ '''Wollo ''' ꯑꯅꯏꯒꯄ 01:21 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ string 2ꯗꯒ '''Wo''' ꯂ ꯈ ꯑꯃꯉꯋꯡ ꯂ ꯝꯍꯟꯈ ꯕ characterꯉ ꯡ ꯑꯗꯋꯄ string 1ꯗꯒ ꯂ ꯈ 01:29 ꯍꯟꯖ ꯛ ꯑ ꯈꯅꯏꯄ '''strncmp''' function ꯎꯕ ꯠ ꯂꯒꯄ, ꯃꯉ ꯒ syntax ꯑꯗꯋꯄ '''strncmp(char str1, char str2, and int n); '''ꯄ 01:42 ꯃꯉ ꯄ string 2ꯒ ꯑꯍ ꯞꯕ n characterꯉ ꯡ ꯑꯗꯋ string 1ꯒ ꯂ ꯏꯄꯄ ꯆ ꯡꯗꯝꯄꯒꯄ 01:48 ꯈꯋꯗꯝ ''' int strncmp (char ice, char icecream, ꯑꯃꯉꯋꯡ 2);'''
01:55 outputꯊ 0 ꯑꯅꯏꯒꯄ 01:58 string library functionꯉ ꯡ ꯃꯊꯟ ꯀꯈꯝꯄ ꯉ ꯖ ꯞꯄꯒꯄ ꯍ ꯏꯕꯗꯋ ꯍꯟꯖ ꯛ ꯑꯈꯅꯏ ꯎꯕ ꯠ ꯂꯒꯄ 02:02 common ꯑꯅꯏꯄ ꯉ ꯖ ꯞꯄꯕ string function ꯈꯈ ꯑ ꯍ ꯛꯄ ꯄꯇꯅꯞꯗ ꯎꯠꯂꯒ 02:07 ꯑ ꯍ ꯛꯄ ꯍ ꯞꯄꯄ editorꯗ program type ꯊꯟꯗꯋꯄ ꯂ ꯈ, 02:10 ꯃꯉ ꯑ ꯍ ꯛ ꯍ ꯡꯗꯅꯛꯂꯒ 02:12 ꯃꯠꯝ ꯑꯉ ꯗ, ꯑ ꯈꯅꯏꯒ string length function ꯂ ꯈ
02:15 '''strlen.c ''' ꯑꯉ ꯑ ꯈꯅꯏꯒ file ꯃꯃ ꯡꯄ ꯍ ꯏꯕ ꯈ ꯖ ꯜꯂꯋ 02:20 ꯃꯉ ꯗ, ꯑ ꯈꯅꯏꯄ stringꯒ ꯑꯉ ꯡꯕ ꯑꯗꯋ ꯆꯋꯊꯅꯛꯀꯄ 02:23 '''stdio.h''' ꯑꯃꯉꯋꯡ '''string.h''' ꯑꯉ header fileꯉ ꯡꯄ 02:29 ꯃꯉ ꯑ ꯈꯅꯏꯒ main() functionꯄ 02:31 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯒ character variable ''' 'arr' ''' ꯂ ꯈ
02:35 ꯃꯉ ꯄ ''' 'Ashwini' ''' ꯍ ꯏꯕ value ꯑꯃ store ꯊꯟꯋ 02:38 ꯃꯊ ꯗ ꯑ ꯈꯅꯏꯄ '''len1 ''' ꯀꯟꯕ integer variable ꯑꯃ ꯂ ꯈ 02:42 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ '''strlen''' function ꯉ ꯖ ꯞꯄꯗꯋꯄ stringꯒ ꯑꯉ ꯡꯕ ꯑꯗꯋ ꯆꯋꯊꯅꯛꯀꯄ 02:48 result ꯑꯗꯋ 'len1'ꯗ store ꯊꯟꯈꯒꯄ 02:52 ꯃꯊ ꯗ ꯑ ꯈꯅꯏꯄ string ꯑꯃꯉꯋꯡ stringꯒ ꯑꯉ ꯡꯕ ꯑꯗꯋ print ꯊꯟꯈ 02:56
ꯃꯉ ꯑ ꯈꯅꯏꯒ '''return''' statementꯄ 02:59 ꯍꯟꯖ ꯛ ꯑ ꯈꯅꯏ program ꯑꯉ ꯊꯕꯛ ꯑꯅꯏꯄ ꯆ ꯡꯊꯅꯛꯂꯉ 03:01 terminal window ꯑꯗꯋ ꯍ ꯡꯗꯅꯛꯆ ꯈꯅ 03:04 ꯄꯍ ꯛꯀ keyboardꯊ '''Ctrl, Alt''' ꯑꯃꯉꯋꯡ '''T''' keyꯉ ꯡ ꯆꯋꯞꯄ ꯄꯝꯗꯋꯄ 03:09 compile ꯊꯟꯄꯕ, ''' "gcc" ''' space ''' "strlen.c" ''' space ''' -o ''' space''' str1 ''' type ꯊꯟꯈꯉ Enter ꯄꯝꯂꯉ 03:19 (dot slash)'''./str1''' type ꯊꯟꯈꯉ Enter ꯄꯝꯂꯉ
03:24 output ꯑꯗꯋ ꯃꯈ ꯗ ꯑꯉꯋꯝꯄ ꯎꯠꯂ 03:26 '''string = Ashwini, Length = 7 ''' 03:30 ꯃꯉ ꯗ ꯄꯍ ꯛꯄ ꯃꯉ ꯡ ꯊ ꯕ ꯌ ꯏ 1,2,3,4,5,6, ꯑꯃꯉꯋꯡ 7 03:37 ꯑꯊꯅꯞꯆ string function ꯑꯃ ꯑ ꯈꯅꯏ ꯌ ꯡꯂꯉ 03:40 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯒ '''string copy''' function ꯂ ꯈ
03:43 '''strcpy.c ''' ꯑꯉ ꯑ ꯈꯅꯏꯒ file ꯃꯃ ꯡꯄ ꯍ ꯏꯕ ꯈ ꯖ ꯜꯂꯋ 03:48 ꯃꯉ ꯗ, ꯑ ꯈꯅꯏꯄ source string ꯑꯗꯋ target stringꯒ ꯃꯄꯋꯡꯗ copy ꯊꯟꯒꯄ 03:53 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ source stringꯗ 'Ice' ꯂ ꯈ, ꯃꯉ target strinꯗ copy ꯊꯟꯈꯒꯄ 03:59 ꯃꯉ ꯑ ꯈꯅꯏꯒ '''strcpy''' functionꯄ 04:02 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ source string ꯑꯃꯉꯋꯡ target string ꯑꯗꯋ print ꯊꯟꯒꯄ
04:07 ꯑ ꯈꯅꯏ ꯊꯕꯛ ꯑꯅꯏꯄ ꯆ ꯡꯊꯅꯛꯂꯉ ꯑꯃꯉꯋꯡ ꯌ ꯡꯂꯉ 04:09 ꯑ ꯈꯅꯏꯒ terminalꯗ ꯑꯃꯋꯛ ꯍꯜꯂꯉ 04:11 compile ꯊꯟꯄꯕ, '''gcc '''space '''strcpy.c''' space hyphen ''' o''' space '''str2''' type ꯊꯟꯈꯉ Enter ꯄꯝꯂꯉ 04:20 (dot slash)'''./str2 ''' type ꯊꯟꯈꯉ Enter ꯄꯝꯂꯉ 04:24 output ꯑꯗꯋ ꯃꯈ ꯗ ꯑꯉꯋꯝꯄ ꯎꯠꯂ : 04:26
'''source string = Ice ''' 04:29 '''target string = Ice ''' 04:32 ꯍꯟꯖ ꯛ ꯑ ꯈꯅꯏ ꯑꯊꯅꯞꯆ string function ꯌ ꯡꯂꯉ 04:34 ꯍꯟꯖ ꯛ ꯑ ꯈꯅꯏꯄ string compare function ꯎꯈꯒꯄ 04:37 '''strcmp.c''' ꯑꯉ ꯑ ꯈꯅꯏꯒ file ꯃꯃ ꯡꯄ ꯍ ꯏꯕ ꯈ ꯖ ꯜꯂꯋ 04:42 ꯃꯉ ꯗ, ꯑ ꯈꯅꯏꯄ string ꯑꯄ ꯆ ꯡꯗꯝꯄꯒꯄ
04:46 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ '''str1''' ꯑꯃꯉꯋꯡ '''str2 '''ꯒꯋꯝꯕ character variableꯉ ꯡ ꯂ ꯈ 04:52 '''str1'''ꯄ value ꯑꯗꯋ ''' 'Ice' '''ꯒꯋꯝꯄ store ꯊꯟꯋ ꯑꯃꯉꯋꯡ '''str2'''ꯄ value ꯑꯗꯋ ''' 'Cream' '''ꯒꯋꯝꯄ store ꯊꯟꯋ 04:58 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ i ꯑꯃꯉꯋꯡ j ꯒꯋꯝꯕ integer variableꯉ ꯡ ꯂ ꯈ 05:03 ꯃꯉ ꯗ ꯑ ꯈꯅꯏꯄ '''strcmp''' function ꯉ ꯖ ꯞꯄꯗꯋꯄ string ꯑꯗꯋ ꯆ ꯡꯗꯝꯄꯒꯄ 05:08 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ str1 ꯃꯗꯋꯗ 'Ice' ꯑꯉ 'Hello'ꯒ ꯂꯅꯏꯄꯄ ꯆ ꯡꯗꯝꯄꯈ
05:14 result ꯑꯗꯋ iꯗ store ꯊꯟꯈ 05:16 ꯃꯉ ꯗ ꯑ ꯈꯅꯏꯄ string2 ꯃꯗꯋꯗ 'Cream' ꯑꯉ 'Cream'ꯒ ꯂꯅꯏꯄꯄ ꯆ ꯡꯗꯝꯄꯒꯄ 05:23 result ꯑꯗꯋ j ꯗ store ꯊꯟꯈ 05:25 ꯃꯊ ꯗ ꯑ ꯈꯅꯏꯄ result ꯑꯄ ꯃꯛ print ꯊꯟꯈ 05:28 ꯃꯉ ꯑ ꯈꯅꯏꯒ '''return''' statementꯄ 05:31
program ꯑꯉ ꯑ ꯈꯅꯏ ꯊꯕꯛ ꯑꯅꯏꯄ ꯆ ꯡꯊꯅꯛꯂꯉ 05:33 ꯑ ꯈꯅꯏꯒ terminalꯗ ꯑꯃꯋꯛ ꯍꯜꯂꯉ 05:35 compile ꯊꯟꯄꯕ '''gcc''' space '''strcmp.c''' space hyphen '''o''' space '''str3''' type ꯊꯟꯈꯉ 05:46 Enter ꯄꯝꯂꯉ 05:47 (dot slash)'''./str3 ''' type ꯊꯟꯈꯉ 05:50 output ꯑꯉ ꯑꯉꯋꯝꯄ ꯎꯠꯂ 1,0
05:54 ꯑ ꯈꯅꯏꯒ programꯗ ꯑꯃꯋꯛ ꯍꯜꯂꯉ 05:56 ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ 1 ꯠ ꯂ ꯑꯃꯉꯋꯡ ꯃꯠꯝ ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ 0 ꯠ ꯂ 06:01 ꯑ ꯈꯅꯏꯒ slideꯉ ꯡꯗ ꯑ ꯈꯅꯏ ꯑꯃꯋꯛ ꯍꯜꯂꯉ 06:04 ꯍꯟꯖ ꯛ ꯑ ꯈꯅꯏ ꯊ ꯞꯉ ꯜꯂꯉ 06:06 tutorial ꯑꯉ ꯗ ꯑ ꯈꯅꯏꯄ ꯊꯝꯂ, String library functionꯉ ꯡ- 06:09 strlen()
06:11 strcpy() 06:13 strcmp() strncpy() 06:16 ꯑꯃꯉꯋꯡ strncmp(). 06:19 assignment ꯑꯃ ꯑꯅꯏꯄ, 06:21 String 'best' ꯑꯃꯉꯋꯡ String 'bus' concatenate ꯊꯟꯄꯕ C Program ꯑꯃ ꯏꯌꯋ 06:25
Hint: strcat(char str1, char str2); 06:32 string libraryꯗ ꯑꯊꯅꯞꯆ functionꯉ ꯡ ꯑꯗꯋꯉꯋ explore ꯊꯟ 06:36 ꯃꯈ ꯒ link ꯑꯉ ꯗ ꯠ ꯕ video ꯑꯉ ꯌ ꯡꯇꯋ 06:39 ꯃꯉ ꯗ Spoken Tutorial projectꯀ ꯃꯈꯝꯗ ꯉꯝꯂꯞꯄ ꯊ ꯛꯂ 06:42 ꯄ ꯒ ꯑꯠꯕ bandwidth ꯂ ꯊꯈ ꯕꯗ, ꯄ ꯄ ꯃꯉ download ꯊꯟꯈꯒ ꯌ ꯡꯕ ꯌ ꯒꯄ 06:46 Spoken Tutorial project teamꯄ:
06:49 spoken tutorialꯉ ꯡ ꯉ ꯖ ꯞꯄꯗꯋꯄ workshopꯉ ꯡ ꯆ ꯡꯊꯅꯛꯏ 06:52 online testꯊ ꯃ ꯏ ꯆ ꯛꯂꯕꯉ ꯡꯗ certificateꯉ ꯡ ꯆ 06:56 ꯍ ꯞꯄ ꯀꯋꯞꯆ ꯋ ꯈꯅꯜꯒ ꯗꯃꯛ, ꯆ ꯞꯕ ꯗꯋꯄ ꯃꯉ ꯗ ꯏꯕ ꯈꯛꯎ @spokentutorial.or 07:03 Spoken Tutorial project ꯑꯉ Talk to a Teacher projectꯀ ꯉꯈꯋꯛ ꯑꯃꯄ 07:08 ꯃꯉ Government of Indiaꯒ ICT, MHRDꯒ ꯊꯅꯡꯗ National Mission on Educationꯄ ꯃꯊ ꯡ ꯆ ꯡꯕꯄ 07:15
mission ꯑꯉ ꯒ ꯑꯍ ꯞꯕ ꯏ-ꯆ ꯎ ꯃꯈ ꯒ link ꯑꯉ ꯗꯒ ꯠ ꯕ ꯒꯄ 07:20 Tutorial ꯑꯉ ꯂ ꯏꯉꯈ ꯝ ꯈ ꯃ ꯉꯆꯞꯗꯈ ꯄ ꯃꯄ ꯆꯋꯈ ꯗ ꯍꯞꯗꯅꯛꯂꯒ IIT Mumbaiꯒ ꯗꯃꯛ ꯄ ꯎꯈꯅꯏꯕꯝ ꯗ ꯞꯃꯄ ꯄ ꯈꯋꯗꯅꯜ ꯊꯝꯖꯕꯄ 07:24 ꯉꯈꯋꯛ ꯌ ꯕ ꯕꯒ ꯗꯃꯛ ꯊ ꯒꯠꯆꯈ