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Warning message while makefile compilation

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Old 12-04-2007
Data Warning message while makefile compilation

Hi all,

I am trying to create an executable, but when the .pc file converting to .c file I am getting lots of warning message like

warning: old-style declaration or incorrect type for: main
warning: implicit function declaration:
warning: no explicit type given
of these 3 lines.

Any idea why I am getting these lines?

Any configuration issues?

What exactly needs to be done to solve these warning messages?

I am trying to compile this is new environment.

Any kind of suggestion would be helpful.

Thanks in advance

Last edited by vgersh99; 12-04-2007 at 07:34 AM.. Reason: vB Codes
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TIFFWarning(3tiff)														TIFFWarning(3tiff)

TIFFWarning, TIFFSetWarningHandler - library warning interface SYNOPSIS
#include <tiffio.h> void TIFFWarning(const char* module, const char* fmt, ...) #include <stdarg.h> typedef void (*TIFFWarningHandler)(const char* module, const char* fmt, va_list ap); TIFFWarningHandler TIFFSetWarningHandler(TIFFWarningHandler handler); TIFFWarning invokes the library-wide warning handler function to (normally) write a warning message to stderr. The fmt parameter is a printf(3S) format string, and any number of arguments can be supplied. The module parameter is interpreted as a string that, if non-zero, should be printed before the message, and is typically used to identify the software module in which a warning is detected. Applications that desire to capture control in the event of a warning should use TIFFSetWarningHandler to override the default warning han- dler. A NULL(0) warning handler function may be installed to suppress error messages. TIFFSetWarningHandler returns a reference to the previous error handling function. See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWTiff | +-----------------------------+-----------------------------+ |Interface stability |Uncommitted | +-----------------------------+-----------------------------+ libtiff(3), TIFFError(3tiff), printf(3S) This man page was originally written by Sam Leffler. Updated by Breda McColgan, Sun Microsystems Inc., 2004. 02 Apr 2004 TIFFWarning(3tiff)

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