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^
| [[cpp:cctype:isalnum|]] |checks if char is alphanumeric |
| [[cpp:cctype:isalpha|]] |checks if char is alphabetic |
| [[cpp:cctype:isascii|]] |checks if char is an ascii char |
| [[cpp:cctype:isblank|]] |checks if char is blank |
| [[cpp:cctype:iscntrl|]] |checks if char is a control char |
| [[cpp:cctype:isdigit|]]
^
| [[c:ctype.h:isalnum|]] |checks if char is alphanumeric |
| [[c:ctype.h:isalpha|]] |checks if char is alphabetic |
| [[c:ctype.h:isascii|]] |checks if char is an ascii char |
| [[c:ctype.h:isblank|]] |checks if char is blank |
| [[c:ctype.h:iscntrl|]] |checks if char is a control char |
| [[c:ctype.h:isdigit|]] |chec
|
| [[c:stdio.h:fgetc|]] |Reads a byte/char from a file stream |
| [[c:stdio.h:fgetpos|]] ... |
| [[c:stdio.h:fgets|]] |Reads a byte/char string from a file stream |
| [[c:stdio.h:fopen... [c:stdio.h:fprintf|]] |Print formatted byte/char output to a stream, |
| [[c:stdio.h:fputc|]] |Writes byte/char to a stream |
| [[c:stdio.h:fputs|]] |Writes byte/char string to a
gram memory do not appear to be supported.
prog_char - a signed char (1 byte) -127 to 128
prog_uchar - an unsigned char (1 byte) 0 to 255
prog_int16_t - a signed int (2 bytes) -32,767 to 32... ned int displayInt;
int k; // counter variable
char myChar;
// read back a 2-byte int
displayInt ... = pgm_read_word_near(charSet + k)
// read back a char
myChar = pgm_read_byte_near(signMessage + k);
===== isascii =====
<code c>
int isascii(int char);
</code>
a macro that tests if a char a ASCII char (0-127) is
===== C Sourcecode Example =====
<code c>
/*
* isascii example code
* http://code-... nclude <ctype.h>
int main ( void )
{
int i;
char string[11]="Test ÖÄ%1";
for (i=0; i <= 11;i++)
... = 0 )
{
printf("character %i isascii char\n",i);
}
}
return 0;
}
</code>
====
or you can make a string out of an array of type char and null-terminate it. This page described the l... valid declarations for strings.
<code arduino>
char Str1[15];
char Str2[8] = {'a', 'r', 'd', 'u', 'i', 'n', 'o'};
char Str3[8] = {'a', 'r', 'd', 'u', 'i', 'n', 'o', '\0'};
char Str4[ ] = "arduino";
char Str5[8] = "arduino";
char Str6[15] = "arduino";
</code>
**Possibilities for declaring s
include <ctype.h>
int main ( void )
{
int i;
char string[11]="Test -!&%1";
for (i=0; i <= 11;i++)...
{
printf("Character %i is printable char\n",i);
}
}
return 0;
}
</code>
====... @najai:~$ ./isprint
Character 0 is printable char
Character 1 is printable char
Character 2 is printable char
Character 3 is printable char
Character 4 is printable char
Character
cout << "Character " << i << " is printable char" << endl;
}
}
return 0;
}
</code>
==== output ====
Character 0 is printable char
Character 1 is printable char
Character 2 is printable char
Character 3 is printable char
Character 4 is printable char
Character 5 is printable char
Character 6 is printable char
Character 7 is printable char
Characte
====== strlen ======
<code c>
size_t strlen(const char *str);
</code>
calculates the size of a char arra... o.h>
#include <string.h>
int main (void)
{
char ss[20] = "hello world";
int length = strlen(ss)... ( i = 0; i < length ; ++ i )
printf ("iam at char count %i\n", i);
return 0;
}
</code>
... ===== output =====
strlen is 11
iam at char count 0
iam at char count 1
iam at char c
where your towel is.
*/
MYSQL *my;
int count=0;
char *passwd;
#define STARTCHR 46 // 33 set start ascii char
#define ENDCHR 122 // 127 set end ascii cahr
#define BUFF_SIZE 1024
#define LEN 80
char bu... ffer[BUFF_SIZE];
int jump=0;
int main (int argc, char *argv[])
{
if (argc <= 3 )
{
#if ENG && !GER
... ##################\n\n\t\n");
refresh();
char host[20];
char user[20];
my = mysql_init(