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PCD
Parameters: nptr and endptr are strings
Returns:
Function:
result is a float.
returns the converted value in result, if any. If no conversion could be performed,
zero is returned.
The strtod function converts the initial portion of the string pointed to by nptr to a
float representation. The part of the string after conversion is stored in the object
pointed to endptr, provided that endptr is not a null pointer. If nptr is empty or does
not have the expected form, no conversion is performed and the value of nptr is
stored in the object pointed to by endptr, provided endptr is not a null pointer.
Availability: All devices.
Requires:
Examples:
Example
Files:
Also See:
strtok( )
Syntax:
#INCLUDE <stdlib.h>
float result;
char str[12]="123.45hello";
char *ptr;
result=strtod(str,&ptr);
//result is 123.45 and ptr is "hello"
None
strtol(), strtoul()
ptr = strtok( s1 , s2 )
Parameters: s1 and s2 are pointers to an array of characters (or the name of an array). Note
that s1 and s2 MAY NOT BE A CONSTANT (like "hi"). s1 may be 0 to indicate a
continue operation.
Returns:
Function:
ptr points to a character in s1 or is 0
Finds next token in s1 delimited by a character from separator string s2 (which can
be different from call to call), and returns pointer to it.
First call starts at beginning of s1 searching for the first character NOT contained
in s2 and returns null if there is none are found.
If none are found, it is the start of first token (return value). Function then
searches from there for a character contained in s2.
296
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