04-06-2011
string comparing in C
Hello,
I need help with a program I'm trying to write for my moms science class, what it has to do is accept a user inputed string and search for it in a text file (file contains all the elements)
The file looks like:
H Hydrogen 1
He Helium 2
Li Lithium 3
Be Beryllium 4
...
If the input string (element abbv.) is found printf the element and atomic number
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LEARN ABOUT HPUX
xrmquarktostring
XrmQuarkToString() XrmQuarkToString()
Name
XrmQuarkToString - convert a quark to a string.
Synopsis
char *XrmQuarkToString(quark)
XrmQuark quark;
Arguments
quark Specifies the quark for which the equivalent string is desired.
Returns
The string.
Description
XrmQuarkToString() returns the string for which the specified quark is serving as a shorthand symbol. The quark was earlier set to repre-
sent the string by XrmStringToQuark(). The string pointed to by the return value must not be modified or freed, because that string is in
the data structure used by the resource manager for assigning quarks. If no string exists for that quark, XrmQuarkToString() returns NULL.
Since the resource manager needs to make many comparisons of strings when it gets data from the database, it is more efficient to convert
these strings into quarks, and to compare quarks instead. Since quarks are represented by integers, comparing quarks is trivial.
The three #define statements in the Structures section provide an extra level of abstraction. They define macros so that names, classes
and representations can also be represented as quarks.
For more information, see Volume One, Chapter 13, Managing User Preferences.
Structures
typedef int XrmQuark;
/* macro definitions from <X11/Xresource.h> */
#define XrmNameToString(name) XrmQuarkToString(name)
#define XrmClassToString(class) XrmQuarkToString(class)
#define XrmRepresentationToString(type) XrmQuarkToString(type)
See Also
XrmDestroyDatabase(), XrmGetFileDatabase(), XrmGetResource(), XrmGetStringDatabase(), XrmInitialize(), XrmMergeDatabases(), XrmParseCom-
mand(), XrmPutFileDatabase(), XrmPutLineResource(), XrmPutResource(), XrmPutStringResource(), XrmQGetResource(), XrmQGetSearchList(),
XrmQGetSearchResource(), XrmQPutResource(), XrmQPutStringResource(), XrmStringToBindingQuarkList(), XrmStringToQuarkList(), XrmStringTo-
Quark(), XrmUniqueQuark().
Xlib - Resource Manager XrmQuarkToString()